20942384800

素因数分解:

$2^5\times 5^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{787}}^1$

素因数の和:904

約数の個数: 288

約数和(自身を含む): 56141406720

約数和(自身を除く): 35199021920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 29, 31, 32, 37, 40, 50, 58, 62, 74, 80, 100, 116, 124, 145, 148, 155, 160, 185, 200, 232, 248, 290, 296, 310, 370, 400, 464, 496, 580, 592, 620, 725, 740, 775, 787, 800, 899, 925, 928, 992, 1073, 1147, 1160, 1184, 1240, 1450, 1480, 1550, 1574, 1798, 1850, 2146, 2294, 2320, 2480, 2900, 2960, 3100, 3148, 3596, 3700, 3935, 4292, 4495, 4588, 4640, 4960, 5365, 5735, 5800, 5920, 6200, 6296, 7192, 7400, 7870, 8584, 8990, 9176, 10730, 11470, 11600, 12400, 12592, 14384, 14800, 15740, 17168, 17980, 18352, 19675, 21460, 22475, 22823, 22940, 23200, 24397, 24800, 25184, 26825, 28675, 28768, 29119, 29600, 31480, 33263, 34336, 35960, 36704, 39350, 42920, 44950, 45646, 45880, 48794, 53650, 57350, 58238, 62960, 66526, 71920, 78700, 85840, 89900, 91292, 91760, 97588, 107300, 114115, 114700, 116476, 121985, 125920, 133052, 143840, 145595, 157400, 166315, 171680, 179800, 182584, 183520, 195176, 214600, 228230, 229400, 232952, 243970, 266104, 291190, 314800, 332630, 359600, 365168, 390352, 429200, 456460, 458800, 465904, 487940, 532208, 570575, 582380, 609925, 629600, 665260, 707513, 719200, 727975, 730336, 780704, 831575, 844451, 858400, 902689, 912920, 917600, 931808, 975880, 1064416, 1141150, 1164760, 1219850, 1330520, 1415026, 1455950, 1663150, 1688902, 1805378, 1825840, 1951760, 2282300, 2329520, 2439700, 2661040, 2830052, 2911900, 3326300, 3377804, 3537565, 3610756, 3651680, 3903520, 4222255, 4513445, 4564600, 4659040, 4879400, 5322080, 5660104, 5823800, 6652600, 6755608, 7075130, 7221512, 8444510, 9026890, 9129200, 9758800, 11320208, 11647600, 13305200, 13511216, 14150260, 14443024, 16889020, 17687825, 18053780, 18258400, 19517600, 21111275, 22567225, 22640416, 23295200, 26177981, 26610400, 27022432, 28300520, 28886048, 33778040, 35375650, 36107560, 42222550, 45134450, 52355962, 56601040, 67556080, 70751300, 72215120, 84445100, 90268900, 104711924, 113202080, 130889905, 135112160, 141502600, 144430240, 168890200, 180537800, 209423848, 261779810, 283005200, 337780400, 361075600, 418847696, 523559620, 566010400, 654449525, 675560800, 722151200, 837695392, 1047119240, 1308899050, 2094238480, 2617798100, 4188476960, 5235596200, 10471192400, 20942384800]

約数ペア:

[(1, 20942384800), (2, 10471192400), (4, 5235596200), (5, 4188476960), (8, 2617798100), (10, 2094238480), (16, 1308899050), (20, 1047119240), (25, 837695392), (29, 722151200), (31, 675560800), (32, 654449525), (37, 566010400), (40, 523559620), (50, 418847696), (58, 361075600), (62, 337780400), (74, 283005200), (80, 261779810), (100, 209423848), (116, 180537800), (124, 168890200), (145, 144430240), (148, 141502600), (155, 135112160), (160, 130889905), (185, 113202080), (200, 104711924), (232, 90268900), (248, 84445100), (290, 72215120), (296, 70751300), (310, 67556080), (370, 56601040), (400, 52355962), (464, 45134450), (496, 42222550), (580, 36107560), (592, 35375650), (620, 33778040), (725, 28886048), (740, 28300520), (775, 27022432), (787, 26610400), (800, 26177981), (899, 23295200), (925, 22640416), (928, 22567225), (992, 21111275), (1073, 19517600), (1147, 18258400), (1160, 18053780), (1184, 17687825), (1240, 16889020), (1450, 14443024), (1480, 14150260), (1550, 13511216), (1574, 13305200), (1798, 11647600), (1850, 11320208), (2146, 9758800), (2294, 9129200), (2320, 9026890), (2480, 8444510), (2900, 7221512), (2960, 7075130), (3100, 6755608), (3148, 6652600), (3596, 5823800), (3700, 5660104), (3935, 5322080), (4292, 4879400), (4495, 4659040), (4588, 4564600), (4640, 4513445), (4960, 4222255), (5365, 3903520), (5735, 3651680), (5800, 3610756), (5920, 3537565), (6200, 3377804), (6296, 3326300), (7192, 2911900), (7400, 2830052), (7870, 2661040), (8584, 2439700), (8990, 2329520), (9176, 2282300), (10730, 1951760), (11470, 1825840), (11600, 1805378), (12400, 1688902), (12592, 1663150), (14384, 1455950), (14800, 1415026), (15740, 1330520), (17168, 1219850), (17980, 1164760), (18352, 1141150), (19675, 1064416), (21460, 975880), (22475, 931808), (22823, 917600), (22940, 912920), (23200, 902689), (24397, 858400), (24800, 844451), (25184, 831575), (26825, 780704), (28675, 730336), (28768, 727975), (29119, 719200), (29600, 707513), (31480, 665260), (33263, 629600), (34336, 609925), (35960, 582380), (36704, 570575), (39350, 532208), (42920, 487940), (44950, 465904), (45646, 458800), (45880, 456460), (48794, 429200), (53650, 390352), (57350, 365168), (58238, 359600), (62960, 332630), (66526, 314800), (71920, 291190), (78700, 266104), (85840, 243970), (89900, 232952), (91292, 229400), (91760, 228230), (97588, 214600), (107300, 195176), (114115, 183520), (114700, 182584), (116476, 179800), (121985, 171680), (125920, 166315), (133052, 157400), (143840, 145595)]