20120158281

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{2131}}^1\times {\mathrm{2333}}^1$

素因数の和:4557

約数の個数: 32

約数和(自身を含む): 28662266880

約数和(自身を除く): 8542108599

約数列:

[1, 3, 19, 57, 71, 213, 1349, 2131, 2333, 4047, 6393, 6999, 40489, 44327, 121467, 132981, 151301, 165643, 453903, 496929, 2874719, 3147217, 4971623, 8624157, 9441651, 14914869, 94460837, 283382511, 352985233, 1058955699, 6706719427, 20120158281]

約数ペア:

[(1, 20120158281), (3, 6706719427), (19, 1058955699), (57, 352985233), (71, 283382511), (213, 94460837), (1349, 14914869), (2131, 9441651), (2333, 8624157), (4047, 4971623), (6393, 3147217), (6999, 2874719), (40489, 496929), (44327, 453903), (121467, 165643), (132981, 151301)]