20201996311

素因数分解:

$7^2\times {\mathrm{67}}^1\times {\mathrm{2081}}^1\times {\mathrm{2957}}^1$

素因数の和:5119

約数の個数: 24

約数和(自身を含む): 23870563056

約数和(自身を除く): 3668566745

約数列:

[1, 7, 49, 67, 469, 2081, 2957, 3283, 14567, 20699, 101969, 139427, 144893, 198119, 975989, 1386833, 6153517, 6831923, 9707831, 43074619, 301522333, 412285639, 2885999473, 20201996311]

約数ペア:

[(1, 20201996311), (7, 2885999473), (49, 412285639), (67, 301522333), (469, 43074619), (2081, 9707831), (2957, 6831923), (3283, 6153517), (14567, 1386833), (20699, 975989), (101969, 198119), (139427, 144893)]