20873190255

素因数分解:

$3^1\times 5^1\times {\mathrm{409}}^1\times {\mathrm{3402313}}^1$

素因数の和:3402730

約数の個数: 16

約数和(自身を含む): 33478769760

約数和(自身を除く): 12605579505

約数列:

[1, 3, 5, 15, 409, 1227, 2045, 6135, 3402313, 10206939, 17011565, 51034695, 1391546017, 4174638051, 6957730085, 20873190255]

約数ペア:

[(1, 20873190255), (3, 6957730085), (5, 4174638051), (15, 1391546017), (409, 51034695), (1227, 17011565), (2045, 10206939), (6135, 3402313)]