20264400

素因数分解:

$2^4\times 3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{433}}^1$

素因数の和:470

約数の個数: 180

約数和(自身を含む): 75907468

約数和(自身を除く): 55643068

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 25, 26, 30, 36, 39, 40, 45, 48, 50, 52, 60, 65, 72, 75, 78, 80, 90, 100, 104, 117, 120, 130, 144, 150, 156, 180, 195, 200, 208, 225, 234, 240, 260, 300, 312, 325, 360, 390, 400, 433, 450, 468, 520, 585, 600, 624, 650, 720, 780, 866, 900, 936, 975, 1040, 1170, 1200, 1299, 1300, 1560, 1732, 1800, 1872, 1950, 2165, 2340, 2598, 2600, 2925, 3120, 3464, 3600, 3897, 3900, 4330, 4680, 5196, 5200, 5629, 5850, 6495, 6928, 7794, 7800, 8660, 9360, 10392, 10825, 11258, 11700, 12990, 15588, 15600, 16887, 17320, 19485, 20784, 21650, 22516, 23400, 25980, 28145, 31176, 32475, 33774, 34640, 38970, 43300, 45032, 46800, 50661, 51960, 56290, 62352, 64950, 67548, 77940, 84435, 86600, 90064, 97425, 101322, 103920, 112580, 129900, 135096, 140725, 155880, 168870, 173200, 194850, 202644, 225160, 253305, 259800, 270192, 281450, 311760, 337740, 389700, 405288, 422175, 450320, 506610, 519600, 562900, 675480, 779400, 810576, 844350, 1013220, 1125800, 1266525, 1350960, 1558800, 1688700, 2026440, 2251600, 2533050, 3377400, 4052880, 5066100, 6754800, 10132200, 20264400]

約数ペア:

[(1, 20264400), (2, 10132200), (3, 6754800), (4, 5066100), (5, 4052880), (6, 3377400), (8, 2533050), (9, 2251600), (10, 2026440), (12, 1688700), (13, 1558800), (15, 1350960), (16, 1266525), (18, 1125800), (20, 1013220), (24, 844350), (25, 810576), (26, 779400), (30, 675480), (36, 562900), (39, 519600), (40, 506610), (45, 450320), (48, 422175), (50, 405288), (52, 389700), (60, 337740), (65, 311760), (72, 281450), (75, 270192), (78, 259800), (80, 253305), (90, 225160), (100, 202644), (104, 194850), (117, 173200), (120, 168870), (130, 155880), (144, 140725), (150, 135096), (156, 129900), (180, 112580), (195, 103920), (200, 101322), (208, 97425), (225, 90064), (234, 86600), (240, 84435), (260, 77940), (300, 67548), (312, 64950), (325, 62352), (360, 56290), (390, 51960), (400, 50661), (433, 46800), (450, 45032), (468, 43300), (520, 38970), (585, 34640), (600, 33774), (624, 32475), (650, 31176), (720, 28145), (780, 25980), (866, 23400), (900, 22516), (936, 21650), (975, 20784), (1040, 19485), (1170, 17320), (1200, 16887), (1299, 15600), (1300, 15588), (1560, 12990), (1732, 11700), (1800, 11258), (1872, 10825), (1950, 10392), (2165, 9360), (2340, 8660), (2598, 7800), (2600, 7794), (2925, 6928), (3120, 6495), (3464, 5850), (3600, 5629), (3897, 5200), (3900, 5196), (4330, 4680)]