20704922

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{64301}}^1$

素因数の和:64333

約数の個数: 16

約数和(自身を含む): 37037952

約数和(自身を除く): 16333030

約数列:

[1, 2, 7, 14, 23, 46, 161, 322, 64301, 128602, 450107, 900214, 1478923, 2957846, 10352461, 20704922]

約数ペア:

[(1, 20704922), (2, 10352461), (7, 2957846), (14, 1478923), (23, 900214), (46, 450107), (161, 128602), (322, 64301)]