20129241839

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{461}}^1\times {\mathrm{328303}}^1$

素因数の和:328790

約数の個数: 16

約数和(自身を含む): 24268231680

約数和(自身を除く): 4138989841

約数列:

[1, 7, 19, 133, 461, 3227, 8759, 61313, 328303, 2298121, 6237757, 43664299, 151347683, 1059433781, 2875605977, 20129241839]

約数ペア:

[(1, 20129241839), (7, 2875605977), (19, 1059433781), (133, 151347683), (461, 43664299), (3227, 6237757), (8759, 2298121), (61313, 328303)]