20260980964

素因数分解:

$2^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{137}}^1\times {\mathrm{182131}}^1$

素因数の和:182308

約数の個数: 48

約数和(自身を含む): 42225482880

約数和(自身を除く): 21964501916

約数列:

[1, 2, 4, 7, 14, 28, 29, 58, 116, 137, 203, 274, 406, 548, 812, 959, 1918, 3836, 3973, 7946, 15892, 27811, 55622, 111244, 182131, 364262, 728524, 1274917, 2549834, 5099668, 5281799, 10563598, 21127196, 24951947, 36972593, 49903894, 73945186, 99807788, 147890372, 174663629, 349327258, 698654516, 723606463, 1447212926, 2894425852, 5065245241, 10130490482, 20260980964]

約数ペア:

[(1, 20260980964), (2, 10130490482), (4, 5065245241), (7, 2894425852), (14, 1447212926), (28, 723606463), (29, 698654516), (58, 349327258), (116, 174663629), (137, 147890372), (203, 99807788), (274, 73945186), (406, 49903894), (548, 36972593), (812, 24951947), (959, 21127196), (1918, 10563598), (3836, 5281799), (3973, 5099668), (7946, 2549834), (15892, 1274917), (27811, 728524), (55622, 364262), (111244, 182131)]