20120162391

素因数分解:

$3^2\times 7^2\times {\mathrm{241}}^1\times {\mathrm{189311}}^1$

素因数の和:189572

約数の個数: 36

約数和(自身を含む): 33947806464

約数和(自身を除く): 13827644073

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 241, 441, 723, 1687, 2169, 5061, 11809, 15183, 35427, 106281, 189311, 567933, 1325177, 1703799, 3975531, 9276239, 11926593, 27828717, 45623951, 83486151, 136871853, 319367657, 410615559, 958102971, 2235573599, 2874308913, 6706720797, 20120162391]

約数ペア:

[(1, 20120162391), (3, 6706720797), (7, 2874308913), (9, 2235573599), (21, 958102971), (49, 410615559), (63, 319367657), (147, 136871853), (241, 83486151), (441, 45623951), (723, 27828717), (1687, 11926593), (2169, 9276239), (5061, 3975531), (11809, 1703799), (15183, 1325177), (35427, 567933), (106281, 189311)]