20512110216

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{541}}^1\times {\mathrm{121523}}^1$

素因数の和:122086

約数の個数: 64

約数和(自身を含む): 55327446720

約数和(自身を除く): 34815336504

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 541, 1082, 1623, 2164, 3246, 4328, 6492, 7033, 12984, 14066, 21099, 28132, 42198, 56264, 84396, 121523, 168792, 243046, 364569, 486092, 729138, 972184, 1458276, 1579799, 2916552, 3159598, 4739397, 6319196, 9478794, 12638392, 18957588, 37915176, 65743943, 131487886, 197231829, 262975772, 394463658, 525951544, 788927316, 854671259, 1577854632, 1709342518, 2564013777, 3418685036, 5128027554, 6837370072, 10256055108, 20512110216]

約数ペア:

[(1, 20512110216), (2, 10256055108), (3, 6837370072), (4, 5128027554), (6, 3418685036), (8, 2564013777), (12, 1709342518), (13, 1577854632), (24, 854671259), (26, 788927316), (39, 525951544), (52, 394463658), (78, 262975772), (104, 197231829), (156, 131487886), (312, 65743943), (541, 37915176), (1082, 18957588), (1623, 12638392), (2164, 9478794), (3246, 6319196), (4328, 4739397), (6492, 3159598), (7033, 2916552), (12984, 1579799), (14066, 1458276), (21099, 972184), (28132, 729138), (42198, 486092), (56264, 364569), (84396, 243046), (121523, 168792)]