20722875

素因数分解:

$3^1\times 5^3\times {\mathrm{73}}^1\times {\mathrm{757}}^1$

素因数の和:848

約数の個数: 32

約数和(自身を含む): 35001408

約数和(自身を除く): 14278533

約数列:

[1, 3, 5, 15, 25, 73, 75, 125, 219, 365, 375, 757, 1095, 1825, 2271, 3785, 5475, 9125, 11355, 18925, 27375, 55261, 56775, 94625, 165783, 276305, 283875, 828915, 1381525, 4144575, 6907625, 20722875]

約数ペア:

[(1, 20722875), (3, 6907625), (5, 4144575), (15, 1381525), (25, 828915), (73, 283875), (75, 276305), (125, 165783), (219, 94625), (365, 56775), (375, 55261), (757, 27375), (1095, 18925), (1825, 11355), (2271, 9125), (3785, 5475)]