20541896

素因数分解:

$2^3\times {\mathrm{79}}^1\times {\mathrm{32503}}^1$

素因数の和:32588

約数の個数: 16

約数和(自身を含む): 39004800

約数和(自身を除く): 18462904

約数列:

[1, 2, 4, 8, 79, 158, 316, 632, 32503, 65006, 130012, 260024, 2567737, 5135474, 10270948, 20541896]

約数ペア:

[(1, 20541896), (2, 10270948), (4, 5135474), (8, 2567737), (79, 260024), (158, 130012), (316, 65006), (632, 32503)]