20443625

素因数分解:

$5^3\times {\mathrm{41}}^1\times {\mathrm{3989}}^1$

素因数の和:4045

約数の個数: 16

約数和(自身を含む): 26142480

約数和(自身を除く): 5698855

約数列:

[1, 5, 25, 41, 125, 205, 1025, 3989, 5125, 19945, 99725, 163549, 498625, 817745, 4088725, 20443625]

約数ペア:

[(1, 20443625), (5, 4088725), (25, 817745), (41, 498625), (125, 163549), (205, 99725), (1025, 19945), (3989, 5125)]