20877542

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{78487}}^1$

素因数の和:78515

約数の個数: 16

約数和(自身を含む): 37674240

約数和(自身を除く): 16796698

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 78487, 156974, 549409, 1098818, 1491253, 2982506, 10438771, 20877542]

約数ペア:

[(1, 20877542), (2, 10438771), (7, 2982506), (14, 1491253), (19, 1098818), (38, 549409), (133, 156974), (266, 78487)]