20198097605

素因数分解:

$5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{491}}^1\times {\mathrm{11411}}^1$

素因数の和:12017

約数の個数: 32

約数和(自身を含む): 28028602368

約数和(自身を除く): 7830504763

約数列:

[1, 5, 7, 35, 103, 491, 515, 721, 2455, 3437, 3605, 11411, 17185, 50573, 57055, 79877, 252865, 354011, 399385, 1175333, 1770055, 5602801, 5876665, 8227331, 28014005, 39219607, 41136655, 196098035, 577088503, 2885442515, 4039619521, 20198097605]

約数ペア:

[(1, 20198097605), (5, 4039619521), (7, 2885442515), (35, 577088503), (103, 196098035), (491, 41136655), (515, 39219607), (721, 28014005), (2455, 8227331), (3437, 5876665), (3605, 5602801), (11411, 1770055), (17185, 1175333), (50573, 399385), (57055, 354011), (79877, 252865)]