201313780

素因数分解:

$2^2\times 5^1\times {\mathrm{421}}^1\times {\mathrm{23909}}^1$

素因数の和:24339

約数の個数: 24

約数和(自身を含む): 423780840

約数和(自身を除く): 222467060

約数列:

[1, 2, 4, 5, 10, 20, 421, 842, 1684, 2105, 4210, 8420, 23909, 47818, 95636, 119545, 239090, 478180, 10065689, 20131378, 40262756, 50328445, 100656890, 201313780]

約数ペア:

[(1, 201313780), (2, 100656890), (4, 50328445), (5, 40262756), (10, 20131378), (20, 10065689), (421, 478180), (842, 239090), (1684, 119545), (2105, 95636), (4210, 47818), (8420, 23909)]