20928633

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{1151}}^1$

素因数の和:1213

約数の個数: 32

約数和(自身を含む): 33177600

約数和(自身を除く): 12248967

約数列:

[1, 3, 11, 19, 29, 33, 57, 87, 209, 319, 551, 627, 957, 1151, 1653, 3453, 6061, 12661, 18183, 21869, 33379, 37983, 65607, 100137, 240559, 367169, 634201, 721677, 1101507, 1902603, 6976211, 20928633]

約数ペア:

[(1, 20928633), (3, 6976211), (11, 1902603), (19, 1101507), (29, 721677), (33, 634201), (57, 367169), (87, 240559), (209, 100137), (319, 65607), (551, 37983), (627, 33379), (957, 21869), (1151, 18183), (1653, 12661), (3453, 6061)]