20318469

素因数分解:

$3^1\times {\mathrm{157}}^1\times {\mathrm{179}}^1\times {\mathrm{241}}^1$

素因数の和:580

約数の個数: 16

約数和(自身を含む): 27529920

約数和(自身を除く): 7211451

約数列:

[1, 3, 157, 179, 241, 471, 537, 723, 28103, 37837, 43139, 84309, 113511, 129417, 6772823, 20318469]

約数ペア:

[(1, 20318469), (3, 6772823), (157, 129417), (179, 113511), (241, 84309), (471, 43139), (537, 37837), (723, 28103)]