20121493443

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{439}}^1\times {\mathrm{664273}}^1$

素因数の和:664738

約数の個数: 16

約数和(自身を含む): 28058933760

約数和(自身を除く): 7937440317

約数列:

[1, 3, 23, 69, 439, 1317, 10097, 30291, 664273, 1992819, 15278279, 45834837, 291615847, 874847541, 6707164481, 20121493443]

約数ペア:

[(1, 20121493443), (3, 6707164481), (23, 874847541), (69, 291615847), (439, 45834837), (1317, 15278279), (10097, 1992819), (30291, 664273)]