20809625781

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{6269}}^1\times {\mathrm{5099}}^1$

素因数の和:11409

約数の個数: 32

約数和(自身を含む): 32744448000

約数和(自身を除く): 11934822219

約数列:

[1, 3, 7, 21, 31, 93, 217, 651, 5099, 6269, 15297, 18807, 35693, 43883, 107079, 131649, 158069, 194339, 474207, 583017, 1106483, 1360373, 3319449, 4081119, 31965631, 95896893, 223759417, 671278251, 990934561, 2972803683, 6936541927, 20809625781]

約数ペア:

[(1, 20809625781), (3, 6936541927), (7, 2972803683), (21, 990934561), (31, 671278251), (93, 223759417), (217, 95896893), (651, 31965631), (5099, 4081119), (6269, 3319449), (15297, 1360373), (18807, 1106483), (35693, 583017), (43883, 474207), (107079, 194339), (131649, 158069)]