20618577

素因数分解:

$3^3\times 7^1\times {\mathrm{127}}^1\times {\mathrm{859}}^1$

素因数の和:1002

約数の個数: 32

約数和(自身を含む): 35225600

約数和(自身を除く): 14607023

約数列:

[1, 3, 7, 9, 21, 27, 63, 127, 189, 381, 859, 889, 1143, 2577, 2667, 3429, 6013, 7731, 8001, 18039, 23193, 24003, 54117, 109093, 162351, 327279, 763651, 981837, 2290953, 2945511, 6872859, 20618577]

約数ペア:

[(1, 20618577), (3, 6872859), (7, 2945511), (9, 2290953), (21, 981837), (27, 763651), (63, 327279), (127, 162351), (189, 109093), (381, 54117), (859, 24003), (889, 23193), (1143, 18039), (2577, 8001), (2667, 7731), (3429, 6013)]