20171979740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{91690817}}^1$

素因数の和:91690837

約数の個数: 24

約数和(自身を含む): 46212172272

約数和(自身を除く): 26040192532

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 91690817, 183381634, 366763268, 458454085, 916908170, 1008598987, 1833816340, 2017197974, 4034395948, 5042994935, 10085989870, 20171979740]

約数ペア:

[(1, 20171979740), (2, 10085989870), (4, 5042994935), (5, 4034395948), (10, 2017197974), (11, 1833816340), (20, 1008598987), (22, 916908170), (44, 458454085), (55, 366763268), (110, 183381634), (220, 91690817)]