20007240016

素因数分解:

$2^4\times {\mathrm{1487}}^1\times {\mathrm{840923}}^1$

素因数の和:842418

約数の個数: 20

約数和(自身を含む): 38790142272

約数和(自身を除く): 18782902256

約数列:

[1, 2, 4, 8, 16, 1487, 2974, 5948, 11896, 23792, 840923, 1681846, 3363692, 6727384, 13454768, 1250452501, 2500905002, 5001810004, 10003620008, 20007240016]

約数ペア:

[(1, 20007240016), (2, 10003620008), (4, 5001810004), (8, 2500905002), (16, 1250452501), (1487, 13454768), (2974, 6727384), (5948, 3363692), (11896, 1681846), (23792, 840923)]