20511010

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{9281}}^1$

素因数の和:9318

約数の個数: 32

約数和(自身を含む): 42103152

約数和(自身を除く): 21592142

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 85, 130, 170, 221, 442, 1105, 2210, 9281, 18562, 46405, 92810, 120653, 157777, 241306, 315554, 603265, 788885, 1206530, 1577770, 2051101, 4102202, 10255505, 20511010]

約数ペア:

[(1, 20511010), (2, 10255505), (5, 4102202), (10, 2051101), (13, 1577770), (17, 1206530), (26, 788885), (34, 603265), (65, 315554), (85, 241306), (130, 157777), (170, 120653), (221, 92810), (442, 46405), (1105, 18562), (2210, 9281)]