20124909

素因数分解:

$3^3\times 7^1\times {\mathrm{233}}^1\times {\mathrm{457}}^1$

素因数の和:706

約数の個数: 32

約数和(自身を含む): 34295040

約数和(自身を除く): 14170131

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 233, 457, 699, 1371, 1631, 2097, 3199, 4113, 4893, 6291, 9597, 12339, 14679, 28791, 44037, 86373, 106481, 319443, 745367, 958329, 2236101, 2874987, 6708303, 20124909]

約数ペア:

[(1, 20124909), (3, 6708303), (7, 2874987), (9, 2236101), (21, 958329), (27, 745367), (63, 319443), (189, 106481), (233, 86373), (457, 44037), (699, 28791), (1371, 14679), (1631, 12339), (2097, 9597), (3199, 6291), (4113, 4893)]