20744400

素因数分解:

$2^4\times 3^1\times 5^2\times {\mathrm{59}}^1\times {\mathrm{293}}^1$

素因数の和:373

約数の個数: 120

約数和(自身を含む): 67808160

約数和(自身を除く): 47063760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 40, 48, 50, 59, 60, 75, 80, 100, 118, 120, 150, 177, 200, 236, 240, 293, 295, 300, 354, 400, 472, 586, 590, 600, 708, 879, 885, 944, 1172, 1180, 1200, 1416, 1465, 1475, 1758, 1770, 2344, 2360, 2832, 2930, 2950, 3516, 3540, 4395, 4425, 4688, 4720, 5860, 5900, 7032, 7080, 7325, 8790, 8850, 11720, 11800, 14064, 14160, 14650, 17287, 17580, 17700, 21975, 23440, 23600, 29300, 34574, 35160, 35400, 43950, 51861, 58600, 69148, 70320, 70800, 86435, 87900, 103722, 117200, 138296, 172870, 175800, 207444, 259305, 276592, 345740, 351600, 414888, 432175, 518610, 691480, 829776, 864350, 1037220, 1296525, 1382960, 1728700, 2074440, 2593050, 3457400, 4148880, 5186100, 6914800, 10372200, 20744400]

約数ペア:

[(1, 20744400), (2, 10372200), (3, 6914800), (4, 5186100), (5, 4148880), (6, 3457400), (8, 2593050), (10, 2074440), (12, 1728700), (15, 1382960), (16, 1296525), (20, 1037220), (24, 864350), (25, 829776), (30, 691480), (40, 518610), (48, 432175), (50, 414888), (59, 351600), (60, 345740), (75, 276592), (80, 259305), (100, 207444), (118, 175800), (120, 172870), (150, 138296), (177, 117200), (200, 103722), (236, 87900), (240, 86435), (293, 70800), (295, 70320), (300, 69148), (354, 58600), (400, 51861), (472, 43950), (586, 35400), (590, 35160), (600, 34574), (708, 29300), (879, 23600), (885, 23440), (944, 21975), (1172, 17700), (1180, 17580), (1200, 17287), (1416, 14650), (1465, 14160), (1475, 14064), (1758, 11800), (1770, 11720), (2344, 8850), (2360, 8790), (2832, 7325), (2930, 7080), (2950, 7032), (3516, 5900), (3540, 5860), (4395, 4720), (4425, 4688)]