20923138

素因数分解:

$2^1\times {\mathrm{83}}^1\times {\mathrm{241}}^1\times {\mathrm{523}}^1$

素因数の和:849

約数の個数: 16

約数和(自身を含む): 31955616

約数和(自身を除く): 11032478

約数列:

[1, 2, 83, 166, 241, 482, 523, 1046, 20003, 40006, 43409, 86818, 126043, 252086, 10461569, 20923138]

約数ペア:

[(1, 20923138), (2, 10461569), (83, 252086), (166, 126043), (241, 86818), (482, 43409), (523, 40006), (1046, 20003)]