20360860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{78311}}^1$

素因数の和:78333

約数の個数: 24

約数和(自身を含む): 46047456

約数和(自身を除く): 25686596

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 78311, 156622, 313244, 391555, 783110, 1018043, 1566220, 2036086, 4072172, 5090215, 10180430, 20360860]

約数ペア:

[(1, 20360860), (2, 10180430), (4, 5090215), (5, 4072172), (10, 2036086), (13, 1566220), (20, 1018043), (26, 783110), (52, 391555), (65, 313244), (130, 156622), (260, 78311)]