20128386

素因数分解:

$2^1\times 3^1\times {\mathrm{43}}^1\times {\mathrm{78017}}^1$

素因数の和:78065

約数の個数: 16

約数和(自身を含む): 41193504

約数和(自身を除く): 21065118

約数列:

[1, 2, 3, 6, 43, 86, 129, 258, 78017, 156034, 234051, 468102, 3354731, 6709462, 10064193, 20128386]

約数ペア:

[(1, 20128386), (2, 10064193), (3, 6709462), (6, 3354731), (43, 468102), (86, 234051), (129, 156034), (258, 78017)]