20451333

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{23753}}^1$

素因数の和:23804

約数の個数: 16

約数和(自身を含む): 31925376

約数和(自身を除く): 11474043

約数列:

[1, 3, 7, 21, 41, 123, 287, 861, 23753, 71259, 166271, 498813, 973873, 2921619, 6817111, 20451333]

約数ペア:

[(1, 20451333), (3, 6817111), (7, 2921619), (21, 973873), (41, 498813), (123, 166271), (287, 71259), (861, 23753)]