20015393041

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{2081}}^1\times {\mathrm{10331}}^1$

素因数の和:12445

約数の個数: 24

約数和(自身を含む): 24522795360

約数和(自身を除く): 4507402319

約数列:

[1, 7, 19, 49, 133, 931, 2081, 10331, 14567, 39539, 72317, 101969, 196289, 276773, 506219, 1374023, 1937411, 9618161, 21498811, 150491677, 408477409, 1053441739, 2859341863, 20015393041]

約数ペア:

[(1, 20015393041), (7, 2859341863), (19, 1053441739), (49, 408477409), (133, 150491677), (931, 21498811), (2081, 9618161), (10331, 1937411), (14567, 1374023), (39539, 506219), (72317, 276773), (101969, 196289)]