20347841264

素因数分解:

$2^4\times {\mathrm{347}}^1\times {\mathrm{3664957}}^1$

素因数の和:3665312

約数の個数: 20

約数和(自身を含む): 39537566904

約数和(自身を除く): 19189725640

約数列:

[1, 2, 4, 8, 16, 347, 694, 1388, 2776, 5552, 3664957, 7329914, 14659828, 29319656, 58639312, 1271740079, 2543480158, 5086960316, 10173920632, 20347841264]

約数ペア:

[(1, 20347841264), (2, 10173920632), (4, 5086960316), (8, 2543480158), (16, 1271740079), (347, 58639312), (694, 29319656), (1388, 14659828), (2776, 7329914), (5552, 3664957)]