204512620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{786587}}^1$

素因数の和:786609

約数の個数: 24

約数和(自身を含む): 462513744

約数和(自身を除く): 258001124

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 786587, 1573174, 3146348, 3932935, 7865870, 10225631, 15731740, 20451262, 40902524, 51128155, 102256310, 204512620]

約数ペア:

[(1, 204512620), (2, 102256310), (4, 51128155), (5, 40902524), (10, 20451262), (13, 15731740), (20, 10225631), (26, 7865870), (52, 3932935), (65, 3146348), (130, 1573174), (260, 786587)]