20145035

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{4001}}^1$

素因数の和:4078

約数の個数: 16

約数和(自身を含む): 25932960

約数和(自身を除く): 5787925

約数列:

[1, 5, 19, 53, 95, 265, 1007, 4001, 5035, 20005, 76019, 212053, 380095, 1060265, 4029007, 20145035]

約数ペア:

[(1, 20145035), (5, 4029007), (19, 1060265), (53, 380095), (95, 212053), (265, 76019), (1007, 20005), (4001, 5035)]