20192722

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{181}}^1\times {\mathrm{461}}^1$

素因数の和:666

約数の個数: 24

約数和(自身を含む): 33549516

約数和(自身を除く): 13356794

約数列:

[1, 2, 11, 22, 121, 181, 242, 362, 461, 922, 1991, 3982, 5071, 10142, 21901, 43802, 55781, 83441, 111562, 166882, 917851, 1835702, 10096361, 20192722]

約数ペア:

[(1, 20192722), (2, 10096361), (11, 1835702), (22, 917851), (121, 166882), (181, 111562), (242, 83441), (362, 55781), (461, 43802), (922, 21901), (1991, 10142), (3982, 5071)]