20796664

素因数分解:

$2^3\times 7^1\times {\mathrm{37}}^1\times {\mathrm{10037}}^1$

素因数の和:10087

約数の個数: 32

約数和(自身を含む): 45773280

約数和(自身を除く): 24976616

約数列:

[1, 2, 4, 7, 8, 14, 28, 37, 56, 74, 148, 259, 296, 518, 1036, 2072, 10037, 20074, 40148, 70259, 80296, 140518, 281036, 371369, 562072, 742738, 1485476, 2599583, 2970952, 5199166, 10398332, 20796664]

約数ペア:

[(1, 20796664), (2, 10398332), (4, 5199166), (7, 2970952), (8, 2599583), (14, 1485476), (28, 742738), (37, 562072), (56, 371369), (74, 281036), (148, 140518), (259, 80296), (296, 70259), (518, 40148), (1036, 20074), (2072, 10037)]