20278399509

素因数分解:

$3^2\times {\mathrm{149}}^1\times {\mathrm{1259}}^1\times {\mathrm{12011}}^1$

素因数の和:13425

約数の個数: 24

約数和(自身を含む): 29513484000

約数和(自身を除く): 9235084491

約数列:

[1, 3, 9, 149, 447, 1259, 1341, 3777, 11331, 12011, 36033, 108099, 187591, 562773, 1688319, 1789639, 5368917, 15121849, 16106751, 45365547, 136096641, 2253155501, 6759466503, 20278399509]

約数ペア:

[(1, 20278399509), (3, 6759466503), (9, 2253155501), (149, 136096641), (447, 45365547), (1259, 16106751), (1341, 15121849), (3777, 5368917), (11331, 1789639), (12011, 1688319), (36033, 562773), (108099, 187591)]