20621639

素因数分解:

${\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{719}}^1$

素因数の和:814

約数の個数: 16

約数和(自身を含む): 22809600

約数和(自身を除く): 2187961

約数列:

[1, 23, 29, 43, 667, 719, 989, 1247, 16537, 20851, 28681, 30917, 479573, 711091, 896593, 20621639]

約数ペア:

[(1, 20621639), (23, 896593), (29, 711091), (43, 479573), (667, 30917), (719, 28681), (989, 20851), (1247, 16537)]