20179483808

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{365147}}^1$

素因数の和:365325

約数の個数: 48

約数和(自身を含む): 43616198304

約数和(自身を除く): 23436714496

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 88, 157, 176, 314, 352, 628, 1256, 1727, 2512, 3454, 5024, 6908, 13816, 27632, 55264, 365147, 730294, 1460588, 2921176, 4016617, 5842352, 8033234, 11684704, 16066468, 32132936, 57328079, 64265872, 114656158, 128531744, 229312316, 458624632, 630608869, 917249264, 1261217738, 1834498528, 2522435476, 5044870952, 10089741904, 20179483808]

約数ペア:

[(1, 20179483808), (2, 10089741904), (4, 5044870952), (8, 2522435476), (11, 1834498528), (16, 1261217738), (22, 917249264), (32, 630608869), (44, 458624632), (88, 229312316), (157, 128531744), (176, 114656158), (314, 64265872), (352, 57328079), (628, 32132936), (1256, 16066468), (1727, 11684704), (2512, 8033234), (3454, 5842352), (5024, 4016617), (6908, 2921176), (13816, 1460588), (27632, 730294), (55264, 365147)]