20128576

素因数分解:

$2^6\times {\mathrm{13}}^2\times {\mathrm{1861}}^1$

素因数の和:1899

約数の個数: 42

約数和(自身を含む): 43274742

約数和(自身を除く): 23146166

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 169, 208, 338, 416, 676, 832, 1352, 1861, 2704, 3722, 5408, 7444, 10816, 14888, 24193, 29776, 48386, 59552, 96772, 119104, 193544, 314509, 387088, 629018, 774176, 1258036, 1548352, 2516072, 5032144, 10064288, 20128576]

約数ペア:

[(1, 20128576), (2, 10064288), (4, 5032144), (8, 2516072), (13, 1548352), (16, 1258036), (26, 774176), (32, 629018), (52, 387088), (64, 314509), (104, 193544), (169, 119104), (208, 96772), (338, 59552), (416, 48386), (676, 29776), (832, 24193), (1352, 14888), (1861, 10816), (2704, 7444), (3722, 5408)]