20687958

素因数分解:

$2^1\times 3^2\times {\mathrm{37}}^1\times {\mathrm{31063}}^1$

素因数の和:31108

約数の個数: 24

約数和(自身を含む): 46036848

約数和(自身を除く): 25348890

約数列:

[1, 2, 3, 6, 9, 18, 37, 74, 111, 222, 333, 666, 31063, 62126, 93189, 186378, 279567, 559134, 1149331, 2298662, 3447993, 6895986, 10343979, 20687958]

約数ペア:

[(1, 20687958), (2, 10343979), (3, 6895986), (6, 3447993), (9, 2298662), (18, 1149331), (37, 559134), (74, 279567), (111, 186378), (222, 93189), (333, 62126), (666, 31063)]