20259969184

素因数分解:

$2^5\times 7^1\times {\mathrm{13}}^1\times {\mathrm{6957407}}^1$

素因数の和:6957437

約数の個数: 48

約数和(自身を含む): 49091470848

約数和(自身を除く): 28831501664

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 91, 104, 112, 182, 208, 224, 364, 416, 728, 1456, 2912, 6957407, 13914814, 27829628, 48701849, 55659256, 90446291, 97403698, 111318512, 180892582, 194807396, 222637024, 361785164, 389614792, 633124037, 723570328, 779229584, 1266248074, 1447140656, 1558459168, 2532496148, 2894281312, 5064992296, 10129984592, 20259969184]

約数ペア:

[(1, 20259969184), (2, 10129984592), (4, 5064992296), (7, 2894281312), (8, 2532496148), (13, 1558459168), (14, 1447140656), (16, 1266248074), (26, 779229584), (28, 723570328), (32, 633124037), (52, 389614792), (56, 361785164), (91, 222637024), (104, 194807396), (112, 180892582), (182, 111318512), (208, 97403698), (224, 90446291), (364, 55659256), (416, 48701849), (728, 27829628), (1456, 13914814), (2912, 6957407)]