20740088

素因数分解:

$2^3\times {\mathrm{523}}^1\times {\mathrm{4957}}^1$

素因数の和:5486

約数の個数: 16

約数和(自身を含む): 38969880

約数和(自身を除く): 18229792

約数列:

[1, 2, 4, 8, 523, 1046, 2092, 4184, 4957, 9914, 19828, 39656, 2592511, 5185022, 10370044, 20740088]

約数ペア:

[(1, 20740088), (2, 10370044), (4, 5185022), (8, 2592511), (523, 39656), (1046, 19828), (2092, 9914), (4184, 4957)]