20968040

素因数分解:

$2^3\times 5^1\times {\mathrm{524201}}^1$

素因数の和:524212

約数の個数: 16

約数和(自身を含む): 47178180

約数和(自身を除く): 26210140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 524201, 1048402, 2096804, 2621005, 4193608, 5242010, 10484020, 20968040]

約数ペア:

[(1, 20968040), (2, 10484020), (4, 5242010), (5, 4193608), (8, 2621005), (10, 2096804), (20, 1048402), (40, 524201)]