20185053590

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2203}}^1\times {\mathrm{70481}}^1$

素因数の和:72704

約数の個数: 32

約数和(自身を含む): 39146266656

約数和(自身を除く): 18961213066

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 2203, 4406, 11015, 22030, 28639, 57278, 70481, 140962, 143195, 286390, 352405, 704810, 916253, 1832506, 4581265, 9162530, 155269643, 310539286, 776348215, 1552696430, 2018505359, 4037010718, 10092526795, 20185053590]

約数ペア:

[(1, 20185053590), (2, 10092526795), (5, 4037010718), (10, 2018505359), (13, 1552696430), (26, 776348215), (65, 310539286), (130, 155269643), (2203, 9162530), (4406, 4581265), (11015, 1832506), (22030, 916253), (28639, 704810), (57278, 352405), (70481, 286390), (140962, 143195)]