20565295257

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{263}}^1\times {\mathrm{2005001}}^1$

素因数の和:2005280

約数の個数: 16

約数和(自身を含む): 29641949568

約数和(自身を除く): 9076654311

約数列:

[1, 3, 13, 39, 263, 789, 3419, 10257, 2005001, 6015003, 26065013, 78195039, 527315263, 1581945789, 6855098419, 20565295257]

約数ペア:

[(1, 20565295257), (3, 6855098419), (13, 1581945789), (39, 527315263), (263, 78195039), (789, 26065013), (3419, 6015003), (10257, 2005001)]