20165830167

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{171203}}^1$

素因数の和:171363

約数の個数: 32

約数和(自身を含む): 31556321280

約数和(自身を除く): 11390491113

約数列:

[1, 3, 7, 21, 71, 79, 213, 237, 497, 553, 1491, 1659, 5609, 16827, 39263, 117789, 171203, 513609, 1198421, 3595263, 12155413, 13525037, 36466239, 40575111, 85087891, 94675259, 255263673, 284025777, 960277627, 2880832881, 6721943389, 20165830167]

約数ペア:

[(1, 20165830167), (3, 6721943389), (7, 2880832881), (21, 960277627), (71, 284025777), (79, 255263673), (213, 94675259), (237, 85087891), (497, 40575111), (553, 36466239), (1491, 13525037), (1659, 12155413), (5609, 3595263), (16827, 1198421), (39263, 513609), (117789, 171203)]