20799728474

素因数分解:

$2^1\times 7^1\times {\mathrm{38231}}^1\times {\mathrm{38861}}^1$

素因数の和:77101

約数の個数: 16

約数和(自身を含む): 35658527616

約数和(自身を除く): 14858799142

約数列:

[1, 2, 7, 14, 38231, 38861, 76462, 77722, 267617, 272027, 535234, 544054, 1485694891, 2971389782, 10399864237, 20799728474]

約数ペア:

[(1, 20799728474), (2, 10399864237), (7, 2971389782), (14, 1485694891), (38231, 544054), (38861, 535234), (76462, 272027), (77722, 267617)]