20464209

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{2267}}^1$

素因数の和:2349

約数の個数: 24

約数和(自身を含む): 31842720

約数和(自身を除く): 11378511

約数列:

[1, 3, 9, 17, 51, 59, 153, 177, 531, 1003, 2267, 3009, 6801, 9027, 20403, 38539, 115617, 133753, 346851, 401259, 1203777, 2273801, 6821403, 20464209]

約数ペア:

[(1, 20464209), (3, 6821403), (9, 2273801), (17, 1203777), (51, 401259), (59, 346851), (153, 133753), (177, 115617), (531, 38539), (1003, 20403), (2267, 9027), (3009, 6801)]