20067804920

素因数分解:

$2^3\times 5^1\times {\mathrm{501695123}}^1$

素因数の和:501695134

約数の個数: 16

約数和(自身を含む): 45152561160

約数和(自身を除く): 25084756240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 501695123, 1003390246, 2006780492, 2508475615, 4013560984, 5016951230, 10033902460, 20067804920]

約数ペア:

[(1, 20067804920), (2, 10033902460), (4, 5016951230), (5, 4013560984), (8, 2508475615), (10, 2006780492), (20, 1003390246), (40, 501695123)]