20738574

素因数分解:

$2^1\times 3^2\times {\mathrm{37}}^1\times {\mathrm{31139}}^1$

素因数の和:31184

約数の個数: 24

約数和(自身を含む): 46149480

約数和(自身を除く): 25410906

約数列:

[1, 2, 3, 6, 9, 18, 37, 74, 111, 222, 333, 666, 31139, 62278, 93417, 186834, 280251, 560502, 1152143, 2304286, 3456429, 6912858, 10369287, 20738574]

約数ペア:

[(1, 20738574), (2, 10369287), (3, 6912858), (6, 3456429), (9, 2304286), (18, 1152143), (37, 560502), (74, 280251), (111, 186834), (222, 93417), (333, 62278), (666, 31139)]