20733471

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{79}}^1\times {\mathrm{241}}^1$

素因数の和:348

約数の個数: 36

約数和(自身を含む): 33473440

約数和(自身を除く): 12739969

約数列:

[1, 3, 9, 11, 33, 79, 99, 121, 237, 241, 363, 711, 723, 869, 1089, 2169, 2607, 2651, 7821, 7953, 9559, 19039, 23859, 28677, 29161, 57117, 86031, 87483, 171351, 209429, 262449, 628287, 1884861, 2303719, 6911157, 20733471]

約数ペア:

[(1, 20733471), (3, 6911157), (9, 2303719), (11, 1884861), (33, 628287), (79, 262449), (99, 209429), (121, 171351), (237, 87483), (241, 86031), (363, 57117), (711, 29161), (723, 28677), (869, 23859), (1089, 19039), (2169, 9559), (2607, 7953), (2651, 7821)]