16890580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{120647}}^1$

素因数の和:120663

約数の個数: 24

約数和(自身を含む): 40537728

約数和(自身を除く): 23647148

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 120647, 241294, 482588, 603235, 844529, 1206470, 1689058, 2412940, 3378116, 4222645, 8445290, 16890580]

約数ペア:

[(1, 16890580), (2, 8445290), (4, 4222645), (5, 3378116), (7, 2412940), (10, 1689058), (14, 1206470), (20, 844529), (28, 603235), (35, 482588), (70, 241294), (140, 120647)]