20160157540

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{997}}^1\times {\mathrm{59473}}^1$

素因数の和:60496

約数の個数: 48

約数和(自身を含む): 44872419312

約数和(自身を除く): 24712261772

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 997, 1994, 3988, 4985, 9970, 16949, 19940, 33898, 59473, 67796, 84745, 118946, 169490, 237892, 297365, 338980, 594730, 1011041, 1189460, 2022082, 4044164, 5055205, 10110410, 20220820, 59294581, 118589162, 237178324, 296472905, 592945810, 1008007877, 1185891620, 2016015754, 4032031508, 5040039385, 10080078770, 20160157540]

約数ペア:

[(1, 20160157540), (2, 10080078770), (4, 5040039385), (5, 4032031508), (10, 2016015754), (17, 1185891620), (20, 1008007877), (34, 592945810), (68, 296472905), (85, 237178324), (170, 118589162), (340, 59294581), (997, 20220820), (1994, 10110410), (3988, 5055205), (4985, 4044164), (9970, 2022082), (16949, 1189460), (19940, 1011041), (33898, 594730), (59473, 338980), (67796, 297365), (84745, 237892), (118946, 169490)]