20805501

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{17737}}^1$

素因数の和:17780

約数の個数: 16

約数和(自身を含む): 30651264

約数和(自身を除く): 9845763

約数列:

[1, 3, 17, 23, 51, 69, 391, 1173, 17737, 53211, 301529, 407951, 904587, 1223853, 6935167, 20805501]

約数ペア:

[(1, 20805501), (3, 6935167), (17, 1223853), (23, 904587), (51, 407951), (69, 301529), (391, 53211), (1173, 17737)]