20954013

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{2999}}^1$

素因数の和:3156

約数の個数: 16

約数和(自身を含む): 29808000

約数和(自身を除く): 8853987

約数列:

[1, 3, 17, 51, 137, 411, 2329, 2999, 6987, 8997, 50983, 152949, 410863, 1232589, 6984671, 20954013]

約数ペア:

[(1, 20954013), (3, 6984671), (17, 1232589), (51, 410863), (137, 152949), (411, 50983), (2329, 8997), (2999, 6987)]