20145264785

素因数分解:

$5^1\times {\mathrm{47}}^1\times {\mathrm{103}}^1\times {\mathrm{307}}^1\times {\mathrm{2711}}^1$

素因数の和:3173

約数の個数: 32

約数和(自身を含む): 25018785792

約数和(自身を除く): 4873521007

約数列:

[1, 5, 47, 103, 235, 307, 515, 1535, 2711, 4841, 13555, 14429, 24205, 31621, 72145, 127417, 158105, 279233, 637085, 832277, 1396165, 1486187, 4161385, 7430935, 13123951, 39117019, 65619755, 85724531, 195585095, 428622655, 4029052957, 20145264785]

約数ペア:

[(1, 20145264785), (5, 4029052957), (47, 428622655), (103, 195585095), (235, 85724531), (307, 65619755), (515, 39117019), (1535, 13123951), (2711, 7430935), (4841, 4161385), (13555, 1486187), (14429, 1396165), (24205, 832277), (31621, 637085), (72145, 279233), (127417, 158105)]