20155243920

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{769}}^1\times {\mathrm{15601}}^1$

素因数の和:16393

約数の個数: 160

約数和(自身を含む): 71504590080

約数和(自身を除く): 51349346160

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 769, 840, 1538, 1680, 2307, 3076, 3845, 4614, 5383, 6152, 7690, 9228, 10766, 11535, 12304, 15380, 15601, 16149, 18456, 21532, 23070, 26915, 30760, 31202, 32298, 36912, 43064, 46140, 46803, 53830, 61520, 62404, 64596, 78005, 80745, 86128, 92280, 93606, 107660, 109207, 124808, 129192, 156010, 161490, 184560, 187212, 215320, 218414, 234015, 249616, 258384, 312020, 322980, 327621, 374424, 430640, 436828, 468030, 546035, 624040, 645960, 655242, 748848, 873656, 936060, 1092070, 1248080, 1291920, 1310484, 1638105, 1747312, 1872120, 2184140, 2620968, 3276210, 3744240, 4368280, 5241936, 6552420, 8736560, 11997169, 13104840, 23994338, 26209680, 35991507, 47988676, 59985845, 71983014, 83980183, 95977352, 119971690, 143966028, 167960366, 179957535, 191954704, 239943380, 251940549, 287932056, 335920732, 359915070, 419900915, 479886760, 503881098, 575864112, 671841464, 719830140, 839801830, 959773520, 1007762196, 1259702745, 1343682928, 1439660280, 1679603660, 2015524392, 2519405490, 2879320560, 3359207320, 4031048784, 5038810980, 6718414640, 10077621960, 20155243920]

約数ペア:

[(1, 20155243920), (2, 10077621960), (3, 6718414640), (4, 5038810980), (5, 4031048784), (6, 3359207320), (7, 2879320560), (8, 2519405490), (10, 2015524392), (12, 1679603660), (14, 1439660280), (15, 1343682928), (16, 1259702745), (20, 1007762196), (21, 959773520), (24, 839801830), (28, 719830140), (30, 671841464), (35, 575864112), (40, 503881098), (42, 479886760), (48, 419900915), (56, 359915070), (60, 335920732), (70, 287932056), (80, 251940549), (84, 239943380), (105, 191954704), (112, 179957535), (120, 167960366), (140, 143966028), (168, 119971690), (210, 95977352), (240, 83980183), (280, 71983014), (336, 59985845), (420, 47988676), (560, 35991507), (769, 26209680), (840, 23994338), (1538, 13104840), (1680, 11997169), (2307, 8736560), (3076, 6552420), (3845, 5241936), (4614, 4368280), (5383, 3744240), (6152, 3276210), (7690, 2620968), (9228, 2184140), (10766, 1872120), (11535, 1747312), (12304, 1638105), (15380, 1310484), (15601, 1291920), (16149, 1248080), (18456, 1092070), (21532, 936060), (23070, 873656), (26915, 748848), (30760, 655242), (31202, 645960), (32298, 624040), (36912, 546035), (43064, 468030), (46140, 436828), (46803, 430640), (53830, 374424), (61520, 327621), (62404, 322980), (64596, 312020), (78005, 258384), (80745, 249616), (86128, 234015), (92280, 218414), (93606, 215320), (107660, 187212), (109207, 184560), (124808, 161490), (129192, 156010)]