20708886

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{7297}}^1$

素因数の和:7356

約数の個数: 32

約数和(自身を含む): 46240128

約数和(自身を除く): 25531242

約数列:

[1, 2, 3, 6, 11, 22, 33, 43, 66, 86, 129, 258, 473, 946, 1419, 2838, 7297, 14594, 21891, 43782, 80267, 160534, 240801, 313771, 481602, 627542, 941313, 1882626, 3451481, 6902962, 10354443, 20708886]

約数ペア:

[(1, 20708886), (2, 10354443), (3, 6902962), (6, 3451481), (11, 1882626), (22, 941313), (33, 627542), (43, 481602), (66, 313771), (86, 240801), (129, 160534), (258, 80267), (473, 43782), (946, 21891), (1419, 14594), (2838, 7297)]