20817273

素因数分解:

$3^1\times {\mathrm{29}}^2\times {\mathrm{37}}^1\times {\mathrm{223}}^1$

素因数の和:321

約数の個数: 24

約数和(自身を含む): 29655808

約数和(自身を除く): 8838535

約数列:

[1, 3, 29, 37, 87, 111, 223, 669, 841, 1073, 2523, 3219, 6467, 8251, 19401, 24753, 31117, 93351, 187543, 239279, 562629, 717837, 6939091, 20817273]

約数ペア:

[(1, 20817273), (3, 6939091), (29, 717837), (37, 562629), (87, 239279), (111, 187543), (223, 93351), (669, 31117), (841, 24753), (1073, 19401), (2523, 8251), (3219, 6467)]