20171864048

素因数分解:

$2^4\times 7^1\times {\mathrm{180105929}}^1$

素因数の和:180105944

約数の個数: 20

約数和(自身を含む): 44666270640

約数和(自身を除く): 24494406592

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 180105929, 360211858, 720423716, 1260741503, 1440847432, 2521483006, 2881694864, 5042966012, 10085932024, 20171864048]

約数ペア:

[(1, 20171864048), (2, 10085932024), (4, 5042966012), (7, 2881694864), (8, 2521483006), (14, 1440847432), (16, 1260741503), (28, 720423716), (56, 360211858), (112, 180105929)]