20531460

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{342191}}^1$

素因数の和:342203

約数の個数: 24

約数和(自身を含む): 57488256

約数和(自身を除く): 36956796

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 342191, 684382, 1026573, 1368764, 1710955, 2053146, 3421910, 4106292, 5132865, 6843820, 10265730, 20531460]

約数ペア:

[(1, 20531460), (2, 10265730), (3, 6843820), (4, 5132865), (5, 4106292), (6, 3421910), (10, 2053146), (12, 1710955), (15, 1368764), (20, 1026573), (30, 684382), (60, 342191)]