20158743

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{421}}^1\times {\mathrm{1451}}^1$

素因数の和:1886

約数の個数: 16

約数和(自身を含む): 29411712

約数和(自身を除く): 9252969

約数列:

[1, 3, 11, 33, 421, 1263, 1451, 4353, 4631, 13893, 15961, 47883, 610871, 1832613, 6719581, 20158743]

約数ペア:

[(1, 20158743), (3, 6719581), (11, 1832613), (33, 610871), (421, 47883), (1263, 15961), (1451, 13893), (4353, 4631)]