20694916

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{379}}^1$

素因数の和:484

約数の個数: 48

約数和(自身を含む): 42517440

約数和(自身を除く): 21822524

約数列:

[1, 2, 4, 11, 17, 22, 34, 44, 68, 73, 146, 187, 292, 374, 379, 748, 758, 803, 1241, 1516, 1606, 2482, 3212, 4169, 4964, 6443, 8338, 12886, 13651, 16676, 25772, 27302, 27667, 54604, 55334, 70873, 110668, 141746, 283492, 304337, 470339, 608674, 940678, 1217348, 1881356, 5173729, 10347458, 20694916]

約数ペア:

[(1, 20694916), (2, 10347458), (4, 5173729), (11, 1881356), (17, 1217348), (22, 940678), (34, 608674), (44, 470339), (68, 304337), (73, 283492), (146, 141746), (187, 110668), (292, 70873), (374, 55334), (379, 54604), (748, 27667), (758, 27302), (803, 25772), (1241, 16676), (1516, 13651), (1606, 12886), (2482, 8338), (3212, 6443), (4169, 4964)]