20723187

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{347}}^1\times {\mathrm{1171}}^1$

素因数の和:1538

約数の個数: 16

約数和(自身を含む): 29365632

約数和(自身を除く): 8642445

約数列:

[1, 3, 17, 51, 347, 1041, 1171, 3513, 5899, 17697, 19907, 59721, 406337, 1219011, 6907729, 20723187]

約数ペア:

[(1, 20723187), (3, 6907729), (17, 1219011), (51, 406337), (347, 59721), (1041, 19907), (1171, 17697), (3513, 5899)]