16663660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{64091}}^1$

素因数の和:64113

約数の個数: 24

約数和(自身を含む): 37686096

約数和(自身を除く): 21022436

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 64091, 128182, 256364, 320455, 640910, 833183, 1281820, 1666366, 3332732, 4165915, 8331830, 16663660]

約数ペア:

[(1, 16663660), (2, 8331830), (4, 4165915), (5, 3332732), (10, 1666366), (13, 1281820), (20, 833183), (26, 640910), (52, 320455), (65, 256364), (130, 128182), (260, 64091)]