20806528

素因数分解:

$2^7\times {\mathrm{53}}^1\times {\mathrm{3067}}^1$

素因数の和:3134

約数の個数: 32

約数和(自身を含む): 42246360

約数和(自身を除く): 21439832

約数列:

[1, 2, 4, 8, 16, 32, 53, 64, 106, 128, 212, 424, 848, 1696, 3067, 3392, 6134, 6784, 12268, 24536, 49072, 98144, 162551, 196288, 325102, 392576, 650204, 1300408, 2600816, 5201632, 10403264, 20806528]

約数ペア:

[(1, 20806528), (2, 10403264), (4, 5201632), (8, 2600816), (16, 1300408), (32, 650204), (53, 392576), (64, 325102), (106, 196288), (128, 162551), (212, 98144), (424, 49072), (848, 24536), (1696, 12268), (3067, 6784), (3392, 6134)]