20678882

素因数分解:

$2^1\times 7^2\times {\mathrm{79}}^1\times {\mathrm{2671}}^1$

素因数の和:2766

約数の個数: 24

約数和(自身を含む): 36552960

約数和(自身を除く): 15874078

約数列:

[1, 2, 7, 14, 49, 79, 98, 158, 553, 1106, 2671, 3871, 5342, 7742, 18697, 37394, 130879, 211009, 261758, 422018, 1477063, 2954126, 10339441, 20678882]

約数ペア:

[(1, 20678882), (2, 10339441), (7, 2954126), (14, 1477063), (49, 422018), (79, 261758), (98, 211009), (158, 130879), (553, 37394), (1106, 18697), (2671, 7742), (3871, 5342)]