20051824

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{647}}^1$

素因数の和:817

約数の個数: 40

約数和(自身を含む): 42184800

約数和(自身を除く): 22132976

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 149, 208, 298, 596, 647, 1192, 1294, 1937, 2384, 2588, 3874, 5176, 7748, 8411, 10352, 15496, 16822, 30992, 33644, 67288, 96403, 134576, 192806, 385612, 771224, 1253239, 1542448, 2506478, 5012956, 10025912, 20051824]

約数ペア:

[(1, 20051824), (2, 10025912), (4, 5012956), (8, 2506478), (13, 1542448), (16, 1253239), (26, 771224), (52, 385612), (104, 192806), (149, 134576), (208, 96403), (298, 67288), (596, 33644), (647, 30992), (1192, 16822), (1294, 15496), (1937, 10352), (2384, 8411), (2588, 7748), (3874, 5176)]