20210307

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{22531}}^1$

素因数の和:22570

約数の個数: 16

約数和(自身を含む): 30283008

約数和(自身を除く): 10072701

約数列:

[1, 3, 13, 23, 39, 69, 299, 897, 22531, 67593, 292903, 518213, 878709, 1554639, 6736769, 20210307]

約数ペア:

[(1, 20210307), (3, 6736769), (13, 1554639), (23, 878709), (39, 518213), (69, 292903), (299, 67593), (897, 22531)]