20199976786

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{149}}^1\times {\mathrm{1031}}^1$

素因数の和:1375

約数の個数: 64

約数和(自身を含む): 34328448000

約数和(自身を除く): 14128471214

約数列:

[1, 2, 11, 22, 43, 86, 139, 149, 278, 298, 473, 946, 1031, 1529, 1639, 2062, 3058, 3278, 5977, 6407, 11341, 11954, 12814, 20711, 22682, 41422, 44333, 65747, 70477, 88666, 131494, 140954, 143309, 153619, 227821, 286618, 307238, 455642, 487663, 890573, 975326, 1576399, 1689809, 1781146, 3152798, 3379618, 6162287, 6605617, 9796303, 12324574, 13211234, 19592606, 21353041, 42706082, 67785157, 72661787, 135570314, 145323574, 234883451, 469766902, 918180763, 1836361526, 10099988393, 20199976786]

約数ペア:

[(1, 20199976786), (2, 10099988393), (11, 1836361526), (22, 918180763), (43, 469766902), (86, 234883451), (139, 145323574), (149, 135570314), (278, 72661787), (298, 67785157), (473, 42706082), (946, 21353041), (1031, 19592606), (1529, 13211234), (1639, 12324574), (2062, 9796303), (3058, 6605617), (3278, 6162287), (5977, 3379618), (6407, 3152798), (11341, 1781146), (11954, 1689809), (12814, 1576399), (20711, 975326), (22682, 890573), (41422, 487663), (44333, 455642), (65747, 307238), (70477, 286618), (88666, 227821), (131494, 153619), (140954, 143309)]