20911845312

素因数分解:

$2^6\times 3^2\times {\mathrm{43}}^1\times {\mathrm{844309}}^1$

素因数の和:844370

約数の個数: 84

約数和(自身を含む): 61334055640

約数和(自身を除く): 40422210328

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 43, 48, 64, 72, 86, 96, 129, 144, 172, 192, 258, 288, 344, 387, 516, 576, 688, 774, 1032, 1376, 1548, 2064, 2752, 3096, 4128, 6192, 8256, 12384, 24768, 844309, 1688618, 2532927, 3377236, 5065854, 6754472, 7598781, 10131708, 13508944, 15197562, 20263416, 27017888, 30395124, 36305287, 40526832, 54035776, 60790248, 72610574, 81053664, 108915861, 121580496, 145221148, 162107328, 217831722, 243160992, 290442296, 326747583, 435663444, 486321984, 580884592, 653495166, 871326888, 1161769184, 1306990332, 1742653776, 2323538368, 2613980664, 3485307552, 5227961328, 6970615104, 10455922656, 20911845312]

約数ペア:

[(1, 20911845312), (2, 10455922656), (3, 6970615104), (4, 5227961328), (6, 3485307552), (8, 2613980664), (9, 2323538368), (12, 1742653776), (16, 1306990332), (18, 1161769184), (24, 871326888), (32, 653495166), (36, 580884592), (43, 486321984), (48, 435663444), (64, 326747583), (72, 290442296), (86, 243160992), (96, 217831722), (129, 162107328), (144, 145221148), (172, 121580496), (192, 108915861), (258, 81053664), (288, 72610574), (344, 60790248), (387, 54035776), (516, 40526832), (576, 36305287), (688, 30395124), (774, 27017888), (1032, 20263416), (1376, 15197562), (1548, 13508944), (2064, 10131708), (2752, 7598781), (3096, 6754472), (4128, 5065854), (6192, 3377236), (8256, 2532927), (12384, 1688618), (24768, 844309)]