20609238

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{264221}}^1$

素因数の和:264239

約数の個数: 16

約数和(自身を含む): 44389296

約数和(自身を除く): 23780058

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 264221, 528442, 792663, 1585326, 3434873, 6869746, 10304619, 20609238]

約数ペア:

[(1, 20609238), (2, 10304619), (3, 6869746), (6, 3434873), (13, 1585326), (26, 792663), (39, 528442), (78, 264221)]