20535367060

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{78982181}}^1$

素因数の和:78982203

約数の個数: 24

約数和(自身を含む): 46441523016

約数和(自身を除く): 25906155956

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 78982181, 157964362, 315928724, 394910905, 789821810, 1026768353, 1579643620, 2053536706, 4107073412, 5133841765, 10267683530, 20535367060]

約数ペア:

[(1, 20535367060), (2, 10267683530), (4, 5133841765), (5, 4107073412), (10, 2053536706), (13, 1579643620), (20, 1026768353), (26, 789821810), (52, 394910905), (65, 315928724), (130, 157964362), (260, 78982181)]