20714020

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{25261}}^1$

素因数の和:25311

約数の個数: 24

約数和(自身を含む): 44562168

約数和(自身を除く): 23848148

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 25261, 50522, 101044, 126305, 252610, 505220, 1035701, 2071402, 4142804, 5178505, 10357010, 20714020]

約数ペア:

[(1, 20714020), (2, 10357010), (4, 5178505), (5, 4142804), (10, 2071402), (20, 1035701), (41, 505220), (82, 252610), (164, 126305), (205, 101044), (410, 50522), (820, 25261)]