20660124

素因数分解:

$2^2\times 3^1\times {\mathrm{43}}^1\times {\mathrm{40039}}^1$

素因数の和:40089

約数の個数: 24

約数和(自身を含む): 49329280

約数和(自身を除く): 28669156

約数列:

[1, 2, 3, 4, 6, 12, 43, 86, 129, 172, 258, 516, 40039, 80078, 120117, 160156, 240234, 480468, 1721677, 3443354, 5165031, 6886708, 10330062, 20660124]

約数ペア:

[(1, 20660124), (2, 10330062), (3, 6886708), (4, 5165031), (6, 3443354), (12, 1721677), (43, 480468), (86, 240234), (129, 160156), (172, 120117), (258, 80078), (516, 40039)]