20963904

素因数分解:

$2^6\times 3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{227}}^1$

素因数の和:292

約数の個数: 112

約数和(自身を含む): 61618368

約数和(自身を除く): 40654464

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 37, 39, 48, 52, 64, 74, 78, 96, 104, 111, 148, 156, 192, 208, 222, 227, 296, 312, 416, 444, 454, 481, 592, 624, 681, 832, 888, 908, 962, 1184, 1248, 1362, 1443, 1776, 1816, 1924, 2368, 2496, 2724, 2886, 2951, 3552, 3632, 3848, 5448, 5772, 5902, 7104, 7264, 7696, 8399, 8853, 10896, 11544, 11804, 14528, 15392, 16798, 17706, 21792, 23088, 23608, 25197, 30784, 33596, 35412, 43584, 46176, 47216, 50394, 67192, 70824, 92352, 94432, 100788, 109187, 134384, 141648, 188864, 201576, 218374, 268768, 283296, 327561, 403152, 436748, 537536, 566592, 655122, 806304, 873496, 1310244, 1612608, 1746992, 2620488, 3493984, 5240976, 6987968, 10481952, 20963904]

約数ペア:

[(1, 20963904), (2, 10481952), (3, 6987968), (4, 5240976), (6, 3493984), (8, 2620488), (12, 1746992), (13, 1612608), (16, 1310244), (24, 873496), (26, 806304), (32, 655122), (37, 566592), (39, 537536), (48, 436748), (52, 403152), (64, 327561), (74, 283296), (78, 268768), (96, 218374), (104, 201576), (111, 188864), (148, 141648), (156, 134384), (192, 109187), (208, 100788), (222, 94432), (227, 92352), (296, 70824), (312, 67192), (416, 50394), (444, 47216), (454, 46176), (481, 43584), (592, 35412), (624, 33596), (681, 30784), (832, 25197), (888, 23608), (908, 23088), (962, 21792), (1184, 17706), (1248, 16798), (1362, 15392), (1443, 14528), (1776, 11804), (1816, 11544), (1924, 10896), (2368, 8853), (2496, 8399), (2724, 7696), (2886, 7264), (2951, 7104), (3552, 5902), (3632, 5772), (3848, 5448)]