17220680

素因数分解:

$2^3\times 5^1\times {\mathrm{430517}}^1$

素因数の和:430528

約数の個数: 16

約数和(自身を含む): 38746620

約数和(自身を除く): 21525940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 430517, 861034, 1722068, 2152585, 3444136, 4305170, 8610340, 17220680]

約数ペア:

[(1, 17220680), (2, 8610340), (4, 4305170), (5, 3444136), (8, 2152585), (10, 1722068), (20, 861034), (40, 430517)]