20112687

素因数分解:

$3^2\times 7^2\times {\mathrm{59}}^1\times {\mathrm{773}}^1$

素因数の和:852

約数の個数: 36

約数和(自身を含む): 34412040

約数和(自身を除く): 14299353

約数列:

[1, 3, 7, 9, 21, 49, 59, 63, 147, 177, 413, 441, 531, 773, 1239, 2319, 2891, 3717, 5411, 6957, 8673, 16233, 26019, 37877, 45607, 48699, 113631, 136821, 319249, 340893, 410463, 957747, 2234743, 2873241, 6704229, 20112687]

約数ペア:

[(1, 20112687), (3, 6704229), (7, 2873241), (9, 2234743), (21, 957747), (49, 410463), (59, 340893), (63, 319249), (147, 136821), (177, 113631), (413, 48699), (441, 45607), (531, 37877), (773, 26019), (1239, 16233), (2319, 8673), (2891, 6957), (3717, 5411)]