20459907

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{5641}}^1$

素因数の和:5691

約数の個数: 24

約数和(自身を含む): 32859008

約数和(自身を除く): 12399101

約数列:

[1, 3, 9, 13, 31, 39, 93, 117, 279, 403, 1209, 3627, 5641, 16923, 50769, 73333, 174871, 219999, 524613, 659997, 1573839, 2273323, 6819969, 20459907]

約数ペア:

[(1, 20459907), (3, 6819969), (9, 2273323), (13, 1573839), (31, 659997), (39, 524613), (93, 219999), (117, 174871), (279, 73333), (403, 50769), (1209, 16923), (3627, 5641)]