20459178

素因数分解:

$2^1\times 3^2\times {\mathrm{379}}^1\times {\mathrm{2999}}^1$

素因数の和:3386

約数の個数: 24

約数和(自身を含む): 44460000

約数和(自身を除く): 24000822

約数列:

[1, 2, 3, 6, 9, 18, 379, 758, 1137, 2274, 2999, 3411, 5998, 6822, 8997, 17994, 26991, 53982, 1136621, 2273242, 3409863, 6819726, 10229589, 20459178]

約数ペア:

[(1, 20459178), (2, 10229589), (3, 6819726), (6, 3409863), (9, 2273242), (18, 1136621), (379, 53982), (758, 26991), (1137, 17994), (2274, 8997), (2999, 6822), (3411, 5998)]