20284360

素因数分解:

$2^3\times 5^1\times {\mathrm{507109}}^1$

素因数の和:507120

約数の個数: 16

約数和(自身を含む): 45639900

約数和(自身を除く): 25355540

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 507109, 1014218, 2028436, 2535545, 4056872, 5071090, 10142180, 20284360]

約数ペア:

[(1, 20284360), (2, 10142180), (4, 5071090), (5, 4056872), (8, 2535545), (10, 2028436), (20, 1014218), (40, 507109)]