20797683

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{151}}^1\times {\mathrm{1481}}^1$

素因数の和:1666

約数の個数: 16

約数和(自身を含む): 28833792

約数和(自身を除く): 8036109

約数列:

[1, 3, 31, 93, 151, 453, 1481, 4443, 4681, 14043, 45911, 137733, 223631, 670893, 6932561, 20797683]

約数ペア:

[(1, 20797683), (3, 6932561), (31, 670893), (93, 223631), (151, 137733), (453, 45911), (1481, 14043), (4443, 4681)]