20815634

素因数分解:

$2^1\times 7^1\times {\mathrm{821}}^1\times {\mathrm{1811}}^1$

素因数の和:2641

約数の個数: 16

約数和(自身を含む): 35747136

約数和(自身を除く): 14931502

約数列:

[1, 2, 7, 14, 821, 1642, 1811, 3622, 5747, 11494, 12677, 25354, 1486831, 2973662, 10407817, 20815634]

約数ペア:

[(1, 20815634), (2, 10407817), (7, 2973662), (14, 1486831), (821, 25354), (1642, 12677), (1811, 11494), (3622, 5747)]