20853326

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{10987}}^1$

素因数の和:11075

約数の個数: 16

約数和(自身を含む): 34150704

約数和(自身を除く): 13297378

約数列:

[1, 2, 13, 26, 73, 146, 949, 1898, 10987, 21974, 142831, 285662, 802051, 1604102, 10426663, 20853326]

約数ペア:

[(1, 20853326), (2, 10426663), (13, 1604102), (26, 802051), (73, 285662), (146, 142831), (949, 21974), (1898, 10987)]