20612400

素因数分解:

$2^4\times 3^1\times 5^2\times {\mathrm{89}}^1\times {\mathrm{193}}^1$

素因数の和:303

約数の個数: 120

約数和(自身を含む): 67116240

約数和(自身を除く): 46503840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 40, 48, 50, 60, 75, 80, 89, 100, 120, 150, 178, 193, 200, 240, 267, 300, 356, 386, 400, 445, 534, 579, 600, 712, 772, 890, 965, 1068, 1158, 1200, 1335, 1424, 1544, 1780, 1930, 2136, 2225, 2316, 2670, 2895, 3088, 3560, 3860, 4272, 4450, 4632, 4825, 5340, 5790, 6675, 7120, 7720, 8900, 9264, 9650, 10680, 11580, 13350, 14475, 15440, 17177, 17800, 19300, 21360, 23160, 26700, 28950, 34354, 35600, 38600, 46320, 51531, 53400, 57900, 68708, 77200, 85885, 103062, 106800, 115800, 137416, 171770, 206124, 231600, 257655, 274832, 343540, 412248, 429425, 515310, 687080, 824496, 858850, 1030620, 1288275, 1374160, 1717700, 2061240, 2576550, 3435400, 4122480, 5153100, 6870800, 10306200, 20612400]

約数ペア:

[(1, 20612400), (2, 10306200), (3, 6870800), (4, 5153100), (5, 4122480), (6, 3435400), (8, 2576550), (10, 2061240), (12, 1717700), (15, 1374160), (16, 1288275), (20, 1030620), (24, 858850), (25, 824496), (30, 687080), (40, 515310), (48, 429425), (50, 412248), (60, 343540), (75, 274832), (80, 257655), (89, 231600), (100, 206124), (120, 171770), (150, 137416), (178, 115800), (193, 106800), (200, 103062), (240, 85885), (267, 77200), (300, 68708), (356, 57900), (386, 53400), (400, 51531), (445, 46320), (534, 38600), (579, 35600), (600, 34354), (712, 28950), (772, 26700), (890, 23160), (965, 21360), (1068, 19300), (1158, 17800), (1200, 17177), (1335, 15440), (1424, 14475), (1544, 13350), (1780, 11580), (1930, 10680), (2136, 9650), (2225, 9264), (2316, 8900), (2670, 7720), (2895, 7120), (3088, 6675), (3560, 5790), (3860, 5340), (4272, 4825), (4450, 4632)]