20701359

素因数分解:

$3^3\times 7^1\times {\mathrm{17}}^2\times {\mathrm{379}}^1$

素因数の和:429

約数の個数: 48

約数和(自身を含む): 37331200

約数和(自身を除く): 16629841

約数列:

[1, 3, 7, 9, 17, 21, 27, 51, 63, 119, 153, 189, 289, 357, 379, 459, 867, 1071, 1137, 2023, 2601, 2653, 3213, 3411, 6069, 6443, 7803, 7959, 10233, 18207, 19329, 23877, 45101, 54621, 57987, 71631, 109531, 135303, 173961, 328593, 405909, 766717, 985779, 1217727, 2300151, 2957337, 6900453, 20701359]

約数ペア:

[(1, 20701359), (3, 6900453), (7, 2957337), (9, 2300151), (17, 1217727), (21, 985779), (27, 766717), (51, 405909), (63, 328593), (119, 173961), (153, 135303), (189, 109531), (289, 71631), (357, 57987), (379, 54621), (459, 45101), (867, 23877), (1071, 19329), (1137, 18207), (2023, 10233), (2601, 7959), (2653, 7803), (3213, 6443), (3411, 6069)]