20648661

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{3457}}^1$

素因数の和:3652

約数の個数: 16

約数和(自身を含む): 30209088

約数和(自身を除く): 9560427

約数列:

[1, 3, 11, 33, 181, 543, 1991, 3457, 5973, 10371, 38027, 114081, 625717, 1877151, 6882887, 20648661]

約数ペア:

[(1, 20648661), (3, 6882887), (11, 1877151), (33, 625717), (181, 114081), (543, 38027), (1991, 10371), (3457, 5973)]