20512157888

素因数分解:

$2^6\times {\mathrm{353}}^1\times {\mathrm{397}}^1\times {\mathrm{2287}}^1$

素因数の和:3049

約数の個数: 56

約数和(自身を含む): 40939833792

約数和(自身を除く): 20427675904

約数列:

[1, 2, 4, 8, 16, 32, 64, 353, 397, 706, 794, 1412, 1588, 2287, 2824, 3176, 4574, 5648, 6352, 9148, 11296, 12704, 18296, 22592, 25408, 36592, 73184, 140141, 146368, 280282, 560564, 807311, 907939, 1121128, 1614622, 1815878, 2242256, 3229244, 3631756, 4484512, 6458488, 7263512, 8969024, 12916976, 14527024, 25833952, 29054048, 51667904, 58108096, 320502467, 641004934, 1282009868, 2564019736, 5128039472, 10256078944, 20512157888]

約数ペア:

[(1, 20512157888), (2, 10256078944), (4, 5128039472), (8, 2564019736), (16, 1282009868), (32, 641004934), (64, 320502467), (353, 58108096), (397, 51667904), (706, 29054048), (794, 25833952), (1412, 14527024), (1588, 12916976), (2287, 8969024), (2824, 7263512), (3176, 6458488), (4574, 4484512), (5648, 3631756), (6352, 3229244), (9148, 2242256), (11296, 1815878), (12704, 1614622), (18296, 1121128), (22592, 907939), (25408, 807311), (36592, 560564), (73184, 280282), (140141, 146368)]