20790801

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{1733}}^1$

素因数の和:1813

約数の個数: 24

約数和(自身を含む): 31739136

約数和(自身を除く): 10948335

約数列:

[1, 3, 9, 31, 43, 93, 129, 279, 387, 1333, 1733, 3999, 5199, 11997, 15597, 53723, 74519, 161169, 223557, 483507, 670671, 2310089, 6930267, 20790801]

約数ペア:

[(1, 20790801), (3, 6930267), (9, 2310089), (31, 670671), (43, 483507), (93, 223557), (129, 161169), (279, 74519), (387, 53723), (1333, 15597), (1733, 11997), (3999, 5199)]