20488894680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{1228351}}^1$

素因数の和:1228504

約数の個数: 64

約数和(自身を含む): 61908940800

約数和(自身を除く): 41420046120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 139, 278, 417, 556, 695, 834, 1112, 1390, 1668, 2085, 2780, 3336, 4170, 5560, 8340, 16680, 1228351, 2456702, 3685053, 4913404, 6141755, 7370106, 9826808, 12283510, 14740212, 18425265, 24567020, 29480424, 36850530, 49134040, 73701060, 147402120, 170740789, 341481578, 512222367, 682963156, 853703945, 1024444734, 1365926312, 1707407890, 2048889468, 2561111835, 3414815780, 4097778936, 5122223670, 6829631560, 10244447340, 20488894680]

約数ペア:

[(1, 20488894680), (2, 10244447340), (3, 6829631560), (4, 5122223670), (5, 4097778936), (6, 3414815780), (8, 2561111835), (10, 2048889468), (12, 1707407890), (15, 1365926312), (20, 1024444734), (24, 853703945), (30, 682963156), (40, 512222367), (60, 341481578), (120, 170740789), (139, 147402120), (278, 73701060), (417, 49134040), (556, 36850530), (695, 29480424), (834, 24567020), (1112, 18425265), (1390, 14740212), (1668, 12283510), (2085, 9826808), (2780, 7370106), (3336, 6141755), (4170, 4913404), (5560, 3685053), (8340, 2456702), (16680, 1228351)]