20170776460

素因数分解:

$2^2\times 5^1\times {\mathrm{1279}}^1\times {\mathrm{788537}}^1$

素因数の和:789825

約数の個数: 24

約数和(自身を含む): 42391802880

約数和(自身を除く): 22221026420

約数列:

[1, 2, 4, 5, 10, 20, 1279, 2558, 5116, 6395, 12790, 25580, 788537, 1577074, 3154148, 3942685, 7885370, 15770740, 1008538823, 2017077646, 4034155292, 5042694115, 10085388230, 20170776460]

約数ペア:

[(1, 20170776460), (2, 10085388230), (4, 5042694115), (5, 4034155292), (10, 2017077646), (20, 1008538823), (1279, 15770740), (2558, 7885370), (5116, 3942685), (6395, 3154148), (12790, 1577074), (25580, 788537)]