20846686

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{719}}^1$

素因数の和:856

約数の個数: 32

約数和(自身を含む): 38016000

約数和(自身を除く): 17169314

約数列:

[1, 2, 7, 14, 19, 38, 109, 133, 218, 266, 719, 763, 1438, 1526, 2071, 4142, 5033, 10066, 13661, 14497, 27322, 28994, 78371, 95627, 156742, 191254, 548597, 1097194, 1489049, 2978098, 10423343, 20846686]

約数ペア:

[(1, 20846686), (2, 10423343), (7, 2978098), (14, 1489049), (19, 1097194), (38, 548597), (109, 191254), (133, 156742), (218, 95627), (266, 78371), (719, 28994), (763, 27322), (1438, 14497), (1526, 13661), (2071, 10066), (4142, 5033)]