20724662

素因数分解:

$2^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{40009}}^1$

素因数の和:40055

約数の個数: 16

約数和(自身を含む): 36489120

約数和(自身を除く): 15764458

約数列:

[1, 2, 7, 14, 37, 74, 259, 518, 40009, 80018, 280063, 560126, 1480333, 2960666, 10362331, 20724662]

約数ペア:

[(1, 20724662), (2, 10362331), (7, 2960666), (14, 1480333), (37, 560126), (74, 280063), (259, 80018), (518, 40009)]