20448883

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{11827}}^1$

素因数の和:11866

約数の個数: 16

約数和(自身を含む): 26494720

約数和(自身を除く): 6045837

約数列:

[1, 7, 13, 19, 91, 133, 247, 1729, 11827, 82789, 153751, 224713, 1076257, 1572991, 2921269, 20448883]

約数ペア:

[(1, 20448883), (7, 2921269), (13, 1572991), (19, 1076257), (91, 224713), (133, 153751), (247, 82789), (1729, 11827)]