20995856700

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{24809}}^1$

素因数の和:24877

約数の個数: 288

約数和(自身を含む): 77181726720

約数和(自身を除く): 56185870020

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 25, 26, 28, 30, 31, 35, 39, 42, 50, 52, 60, 62, 65, 70, 75, 78, 84, 91, 93, 100, 105, 124, 130, 140, 150, 155, 156, 175, 182, 186, 195, 210, 217, 260, 273, 300, 310, 325, 350, 364, 372, 390, 403, 420, 434, 455, 465, 525, 546, 620, 650, 651, 700, 775, 780, 806, 868, 910, 930, 975, 1050, 1085, 1092, 1209, 1300, 1302, 1365, 1550, 1612, 1820, 1860, 1950, 2015, 2100, 2170, 2275, 2325, 2418, 2604, 2730, 2821, 3100, 3255, 3900, 4030, 4340, 4550, 4650, 4836, 5425, 5460, 5642, 6045, 6510, 6825, 8060, 8463, 9100, 9300, 10075, 10850, 11284, 12090, 13020, 13650, 14105, 16275, 16926, 20150, 21700, 24180, 24809, 27300, 28210, 30225, 32550, 33852, 40300, 42315, 49618, 56420, 60450, 65100, 70525, 74427, 84630, 99236, 120900, 124045, 141050, 148854, 169260, 173663, 211575, 248090, 282100, 297708, 322517, 347326, 372135, 423150, 496180, 520989, 620225, 645034, 694652, 744270, 769079, 846300, 868315, 967551, 1041978, 1240450, 1290068, 1488540, 1538158, 1612585, 1736630, 1860675, 1935102, 2083956, 2257619, 2307237, 2480900, 2604945, 3076316, 3225170, 3473260, 3721350, 3845395, 3870204, 4341575, 4515238, 4614474, 4837755, 5209890, 5383553, 6450340, 6772857, 7442700, 7690790, 8062925, 8683150, 9030476, 9228948, 9675510, 9998027, 10419780, 10767106, 11288095, 11536185, 13024725, 13545714, 15381580, 16125850, 16150659, 17366300, 19226975, 19351020, 19996054, 21534212, 22576190, 23072370, 24188775, 26049450, 26917765, 27091428, 29994081, 32251700, 32301318, 33864285, 38453950, 39992108, 45152380, 46144740, 48377550, 49990135, 52098900, 53835530, 56440475, 57680925, 59988162, 64602636, 67728570, 69986189, 76907900, 80753295, 96755100, 99980270, 107671060, 112880950, 115361850, 119976324, 134588825, 135457140, 139972378, 149970405, 161506590, 169321425, 199960540, 209958567, 225761900, 230723700, 249950675, 269177650, 279944756, 299940810, 323013180, 338642850, 349930945, 403766475, 419917134, 499901350, 538355300, 599881620, 677285700, 699861890, 749852025, 807532950, 839834268, 999802700, 1049792835, 1399723780, 1499704050, 1615065900, 1749654725, 2099585670, 2999408100, 3499309450, 4199171340, 5248964175, 6998618900, 10497928350, 20995856700]

約数ペア:

[(1, 20995856700), (2, 10497928350), (3, 6998618900), (4, 5248964175), (5, 4199171340), (6, 3499309450), (7, 2999408100), (10, 2099585670), (12, 1749654725), (13, 1615065900), (14, 1499704050), (15, 1399723780), (20, 1049792835), (21, 999802700), (25, 839834268), (26, 807532950), (28, 749852025), (30, 699861890), (31, 677285700), (35, 599881620), (39, 538355300), (42, 499901350), (50, 419917134), (52, 403766475), (60, 349930945), (62, 338642850), (65, 323013180), (70, 299940810), (75, 279944756), (78, 269177650), (84, 249950675), (91, 230723700), (93, 225761900), (100, 209958567), (105, 199960540), (124, 169321425), (130, 161506590), (140, 149970405), (150, 139972378), (155, 135457140), (156, 134588825), (175, 119976324), (182, 115361850), (186, 112880950), (195, 107671060), (210, 99980270), (217, 96755100), (260, 80753295), (273, 76907900), (300, 69986189), (310, 67728570), (325, 64602636), (350, 59988162), (364, 57680925), (372, 56440475), (390, 53835530), (403, 52098900), (420, 49990135), (434, 48377550), (455, 46144740), (465, 45152380), (525, 39992108), (546, 38453950), (620, 33864285), (650, 32301318), (651, 32251700), (700, 29994081), (775, 27091428), (780, 26917765), (806, 26049450), (868, 24188775), (910, 23072370), (930, 22576190), (975, 21534212), (1050, 19996054), (1085, 19351020), (1092, 19226975), (1209, 17366300), (1300, 16150659), (1302, 16125850), (1365, 15381580), (1550, 13545714), (1612, 13024725), (1820, 11536185), (1860, 11288095), (1950, 10767106), (2015, 10419780), (2100, 9998027), (2170, 9675510), (2275, 9228948), (2325, 9030476), (2418, 8683150), (2604, 8062925), (2730, 7690790), (2821, 7442700), (3100, 6772857), (3255, 6450340), (3900, 5383553), (4030, 5209890), (4340, 4837755), (4550, 4614474), (4650, 4515238), (4836, 4341575), (5425, 3870204), (5460, 3845395), (5642, 3721350), (6045, 3473260), (6510, 3225170), (6825, 3076316), (8060, 2604945), (8463, 2480900), (9100, 2307237), (9300, 2257619), (10075, 2083956), (10850, 1935102), (11284, 1860675), (12090, 1736630), (13020, 1612585), (13650, 1538158), (14105, 1488540), (16275, 1290068), (16926, 1240450), (20150, 1041978), (21700, 967551), (24180, 868315), (24809, 846300), (27300, 769079), (28210, 744270), (30225, 694652), (32550, 645034), (33852, 620225), (40300, 520989), (42315, 496180), (49618, 423150), (56420, 372135), (60450, 347326), (65100, 322517), (70525, 297708), (74427, 282100), (84630, 248090), (99236, 211575), (120900, 173663), (124045, 169260), (141050, 148854)]