13392020

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{9431}}^1$

素因数の和:9511

約数の個数: 24

約数和(自身を含む): 28522368

約数和(自身を除く): 15130348

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 9431, 18862, 37724, 47155, 94310, 188620, 669601, 1339202, 2678404, 3348005, 6696010, 13392020]

約数ペア:

[(1, 13392020), (2, 6696010), (4, 3348005), (5, 2678404), (10, 1339202), (20, 669601), (71, 188620), (142, 94310), (284, 47155), (355, 37724), (710, 18862), (1420, 9431)]