20619291

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{89261}}^1$

素因数の和:89282

約数の個数: 16

約数和(自身を含む): 34276608

約数和(自身を除く): 13657317

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 89261, 267783, 624827, 981871, 1874481, 2945613, 6873097, 20619291]

約数ペア:

[(1, 20619291), (3, 6873097), (7, 2945613), (11, 1874481), (21, 981871), (33, 624827), (77, 267783), (231, 89261)]