20940451

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{1993}}^1$

素因数の和:2098

約数の個数: 16

約数和(自身を含む): 25523200

約数和(自身を除く): 4582749

約数列:

[1, 7, 19, 79, 133, 553, 1501, 1993, 10507, 13951, 37867, 157447, 265069, 1102129, 2991493, 20940451]

約数ペア:

[(1, 20940451), (7, 2991493), (19, 1102129), (79, 265069), (133, 157447), (553, 37867), (1501, 13951), (1993, 10507)]