20831338

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{103}}^1\times {\mathrm{317}}^1$

素因数の和:462

約数の個数: 32

約数和(自身を含む): 35717760

約数和(自身を除く): 14886422

約数列:

[1, 2, 11, 22, 29, 58, 103, 206, 317, 319, 634, 638, 1133, 2266, 2987, 3487, 5974, 6974, 9193, 18386, 32651, 32857, 65302, 65714, 101123, 202246, 359161, 718322, 946879, 1893758, 10415669, 20831338]

約数ペア:

[(1, 20831338), (2, 10415669), (11, 1893758), (22, 946879), (29, 718322), (58, 359161), (103, 202246), (206, 101123), (317, 65714), (319, 65302), (634, 32857), (638, 32651), (1133, 18386), (2266, 9193), (2987, 6974), (3487, 5974)]