20333375

素因数分解:

$5^3\times {\mathrm{47}}^1\times {\mathrm{3461}}^1$

素因数の和:3523

約数の個数: 16

約数和(自身を含む): 25923456

約数和(自身を除く): 5590081

約数列:

[1, 5, 25, 47, 125, 235, 1175, 3461, 5875, 17305, 86525, 162667, 432625, 813335, 4066675, 20333375]

約数ペア:

[(1, 20333375), (5, 4066675), (25, 813335), (47, 432625), (125, 162667), (235, 86525), (1175, 17305), (3461, 5875)]