20208153

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{50647}}^1$

素因数の和:50676

約数の個数: 16

約数和(自身を含む): 32414720

約数和(自身を除く): 12206567

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 50647, 151941, 354529, 962293, 1063587, 2886879, 6736051, 20208153]

約数ペア:

[(1, 20208153), (3, 6736051), (7, 2886879), (19, 1063587), (21, 962293), (57, 354529), (133, 151941), (399, 50647)]