20802566854

素因数分解:

$2^1\times {\mathrm{331}}^1\times {\mathrm{811}}^1\times {\mathrm{38747}}^1$

素因数の和:39891

約数の個数: 16

約数和(自身を含む): 31337522496

約数和(自身を除く): 10534955642

約数列:

[1, 2, 331, 662, 811, 1622, 38747, 77494, 268441, 536882, 12825257, 25650514, 31423817, 62847634, 10401283427, 20802566854]

約数ペア:

[(1, 20802566854), (2, 10401283427), (331, 62847634), (662, 31423817), (811, 25650514), (1622, 12825257), (38747, 536882), (77494, 268441)]