20881352

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{84199}}^1$

素因数の和:84236

約数の個数: 16

約数和(自身を含む): 40416000

約数和(自身を除く): 19534648

約数列:

[1, 2, 4, 8, 31, 62, 124, 248, 84199, 168398, 336796, 673592, 2610169, 5220338, 10440676, 20881352]

約数ペア:

[(1, 20881352), (2, 10440676), (4, 5220338), (8, 2610169), (31, 673592), (62, 336796), (124, 168398), (248, 84199)]