20081859

素因数分解:

$3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{18043}}^1$

素因数の和:18106

約数の個数: 16

約数和(自身を含む): 31180032

約数和(自身を除く): 11098173

約数列:

[1, 3, 7, 21, 53, 159, 371, 1113, 18043, 54129, 126301, 378903, 956279, 2868837, 6693953, 20081859]

約数ペア:

[(1, 20081859), (3, 6693953), (7, 2868837), (21, 956279), (53, 378903), (159, 126301), (371, 54129), (1113, 18043)]