20993828

素因数分解:

$2^2\times {\mathrm{107}}^1\times {\mathrm{181}}^1\times {\mathrm{271}}^1$

素因数の和:563

約数の個数: 24

約数和(自身を含む): 37425024

約数和(自身を除く): 16431196

約数列:

[1, 2, 4, 107, 181, 214, 271, 362, 428, 542, 724, 1084, 19367, 28997, 38734, 49051, 57994, 77468, 98102, 115988, 196204, 5248457, 10496914, 20993828]

約数ペア:

[(1, 20993828), (2, 10496914), (4, 5248457), (107, 196204), (181, 115988), (214, 98102), (271, 77468), (362, 57994), (428, 49051), (542, 38734), (724, 28997), (1084, 19367)]