20159402

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{149}}^1\times {\mathrm{1109}}^1$

素因数の和:1321

約数の個数: 16

約数和(自身を含む): 30969000

約数和(自身を除く): 10809598

約数列:

[1, 2, 61, 122, 149, 298, 1109, 2218, 9089, 18178, 67649, 135298, 165241, 330482, 10079701, 20159402]

約数ペア:

[(1, 20159402), (2, 10079701), (61, 330482), (122, 165241), (149, 135298), (298, 67649), (1109, 18178), (2218, 9089)]