20994037841608

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{1998670777}}^1$

素因数の和:1998670897

約数の個数: 32

約数和(自身を含む): 42811528064760

約数和(自身を除く): 21817490223152

約数列:

[1, 2, 4, 8, 13, 26, 52, 101, 104, 202, 404, 808, 1313, 2626, 5252, 10504, 1998670777, 3997341554, 7994683108, 15989366216, 25982720101, 51965440202, 103930880404, 201865748477, 207861760808, 403731496954, 807462993908, 1614925987816, 2624254730201, 5248509460402, 10497018920804, 20994037841608]

約数ペア:

[(1, 20994037841608), (2, 10497018920804), (4, 5248509460402), (8, 2624254730201), (13, 1614925987816), (26, 807462993908), (52, 403731496954), (101, 207861760808), (104, 201865748477), (202, 103930880404), (404, 51965440202), (808, 25982720101), (1313, 15989366216), (2626, 7994683108), (5252, 3997341554), (10504, 1998670777)]