20485311

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{88681}}^1$

素因数の和:88702

約数の個数: 16

約数和(自身を含む): 34053888

約数和(自身を除く): 13568577

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 88681, 266043, 620767, 975491, 1862301, 2926473, 6828437, 20485311]

約数ペア:

[(1, 20485311), (3, 6828437), (7, 2926473), (11, 1862301), (21, 975491), (33, 620767), (77, 266043), (231, 88681)]