20557713

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{571}}^1\times {\mathrm{1091}}^1$

素因数の和:1676

約数の個数: 16

約数和(自身を含む): 29981952

約数和(自身を除く): 9424239

約数列:

[1, 3, 11, 33, 571, 1091, 1713, 3273, 6281, 12001, 18843, 36003, 622961, 1868883, 6852571, 20557713]

約数ペア:

[(1, 20557713), (3, 6852571), (11, 1868883), (33, 622961), (571, 36003), (1091, 18843), (1713, 12001), (3273, 6281)]