20649165

素因数分解:

$3^1\times 5^1\times {\mathrm{149}}^1\times {\mathrm{9239}}^1$

素因数の和:9396

約数の個数: 16

約数和(自身を含む): 33264000

約数和(自身を除く): 12614835

約数列:

[1, 3, 5, 15, 149, 447, 745, 2235, 9239, 27717, 46195, 138585, 1376611, 4129833, 6883055, 20649165]

約数ペア:

[(1, 20649165), (3, 6883055), (5, 4129833), (15, 1376611), (149, 138585), (447, 46195), (745, 27717), (2235, 9239)]