20171906900

素因数分解:

$2^2\times 5^2\times {\mathrm{1429}}^1\times {\mathrm{141161}}^1$

素因数の和:142604

約数の個数: 36

約数和(自身を含む): 43803980220

約数和(自身を除く): 23632073320

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 1429, 2858, 5716, 7145, 14290, 28580, 35725, 71450, 141161, 142900, 282322, 564644, 705805, 1411610, 2823220, 3529025, 7058050, 14116100, 201719069, 403438138, 806876276, 1008595345, 2017190690, 4034381380, 5042976725, 10085953450, 20171906900]

約数ペア:

[(1, 20171906900), (2, 10085953450), (4, 5042976725), (5, 4034381380), (10, 2017190690), (20, 1008595345), (25, 806876276), (50, 403438138), (100, 201719069), (1429, 14116100), (2858, 7058050), (5716, 3529025), (7145, 2823220), (14290, 1411610), (28580, 705805), (35725, 564644), (71450, 282322), (141161, 142900)]