20381358599

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{2167999}}^1$

素因数の和:2168102

約数の個数: 16

約数和(自身を含む): 24975360000

約数和(自身を除く): 4594001401

約数列:

[1, 7, 17, 79, 119, 553, 1343, 9401, 2167999, 15175993, 36855983, 171271921, 257991881, 1198903447, 2911622657, 20381358599]

約数ペア:

[(1, 20381358599), (7, 2911622657), (17, 1198903447), (79, 257991881), (119, 171271921), (553, 36855983), (1343, 15175993), (9401, 2167999)]