20852030878

素因数分解:

$2^1\times 7^1\times {\mathrm{70379}}^1\times {\mathrm{21163}}^1$

素因数の和:91551

約数の個数: 16

約数和(自身を含む): 35748535680

約数和(自身を除く): 14896504802

約数列:

[1, 2, 7, 14, 21163, 42326, 70379, 140758, 148141, 296282, 492653, 985306, 1489430777, 2978861554, 10426015439, 20852030878]

約数ペア:

[(1, 20852030878), (2, 10426015439), (7, 2978861554), (14, 1489430777), (21163, 985306), (42326, 492653), (70379, 296282), (140758, 148141)]