20025798

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{3517}}^1$

素因数の和:3608

約数の個数: 32

約数和(自身を含む): 43735776

約数和(自身を除く): 23709978

約数列:

[1, 2, 3, 6, 13, 26, 39, 73, 78, 146, 219, 438, 949, 1898, 2847, 3517, 5694, 7034, 10551, 21102, 45721, 91442, 137163, 256741, 274326, 513482, 770223, 1540446, 3337633, 6675266, 10012899, 20025798]

約数ペア:

[(1, 20025798), (2, 10012899), (3, 6675266), (6, 3337633), (13, 1540446), (26, 770223), (39, 513482), (73, 274326), (78, 256741), (146, 137163), (219, 91442), (438, 45721), (949, 21102), (1898, 10551), (2847, 7034), (3517, 5694)]