20489480

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{46567}}^1$

素因数の和:46589

約数の個数: 32

約数和(自身を含む): 50293440

約数和(自身を除く): 29803960

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 46567, 93134, 186268, 232835, 372536, 465670, 512237, 931340, 1024474, 1862680, 2048948, 2561185, 4097896, 5122370, 10244740, 20489480]

約数ペア:

[(1, 20489480), (2, 10244740), (4, 5122370), (5, 4097896), (8, 2561185), (10, 2048948), (11, 1862680), (20, 1024474), (22, 931340), (40, 512237), (44, 465670), (55, 372536), (88, 232835), (110, 186268), (220, 93134), (440, 46567)]