20565378

素因数分解:

$2^1\times 3^2\times {\mathrm{53}}^1\times {\mathrm{21557}}^1$

素因数の和:21618

約数の個数: 24

約数和(自身を含む): 45401148

約数和(自身を除く): 24835770

約数列:

[1, 2, 3, 6, 9, 18, 53, 106, 159, 318, 477, 954, 21557, 43114, 64671, 129342, 194013, 388026, 1142521, 2285042, 3427563, 6855126, 10282689, 20565378]

約数ペア:

[(1, 20565378), (2, 10282689), (3, 6855126), (6, 3427563), (9, 2285042), (18, 1142521), (53, 388026), (106, 194013), (159, 129342), (318, 64671), (477, 43114), (954, 21557)]