20267037

素因数分解:

$3^3\times 7^2\times {\mathrm{15319}}^1$

素因数の和:15342

約数の個数: 24

約数和(自身を含む): 34929600

約数和(自身を除く): 14662563

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 441, 1323, 15319, 45957, 107233, 137871, 321699, 413613, 750631, 965097, 2251893, 2895291, 6755679, 20267037]

約数ペア:

[(1, 20267037), (3, 6755679), (7, 2895291), (9, 2251893), (21, 965097), (27, 750631), (49, 413613), (63, 321699), (147, 137871), (189, 107233), (441, 45957), (1323, 15319)]