20138180842

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{1571}}^1\times {\mathrm{493027}}^1$

素因数の和:494613

約数の個数: 16

約数和(自身を含む): 32551680672

約数和(自身を除く): 12413499830

約数列:

[1, 2, 13, 26, 1571, 3142, 20423, 40846, 493027, 986054, 6409351, 12818702, 774545417, 1549090834, 10069090421, 20138180842]

約数ペア:

[(1, 20138180842), (2, 10069090421), (13, 1549090834), (26, 774545417), (1571, 12818702), (3142, 6409351), (20423, 986054), (40846, 493027)]