20152875

素因数分解:

$3^1\times 5^3\times {\mathrm{61}}^1\times {\mathrm{881}}^1$

素因数の和:960

約数の個数: 32

約数和(自身を含む): 34122816

約数和(自身を除く): 13969941

約数列:

[1, 3, 5, 15, 25, 61, 75, 125, 183, 305, 375, 881, 915, 1525, 2643, 4405, 4575, 7625, 13215, 22025, 22875, 53741, 66075, 110125, 161223, 268705, 330375, 806115, 1343525, 4030575, 6717625, 20152875]

約数ペア:

[(1, 20152875), (3, 6717625), (5, 4030575), (15, 1343525), (25, 806115), (61, 330375), (75, 268705), (125, 161223), (183, 110125), (305, 66075), (375, 53741), (881, 22875), (915, 22025), (1525, 13215), (2643, 7625), (4405, 4575)]