20471400

素因数分解:

$2^3\times 3^3\times 5^2\times {\mathrm{17}}^1\times {\mathrm{223}}^1$

素因数の和:265

約数の個数: 192

約数和(自身を含む): 74995200

約数和(自身を除く): 54523800

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 17, 18, 20, 24, 25, 27, 30, 34, 36, 40, 45, 50, 51, 54, 60, 68, 72, 75, 85, 90, 100, 102, 108, 120, 135, 136, 150, 153, 170, 180, 200, 204, 216, 223, 225, 255, 270, 300, 306, 340, 360, 408, 425, 446, 450, 459, 510, 540, 600, 612, 669, 675, 680, 765, 850, 892, 900, 918, 1020, 1080, 1115, 1224, 1275, 1338, 1350, 1530, 1700, 1784, 1800, 1836, 2007, 2040, 2230, 2295, 2550, 2676, 2700, 3060, 3345, 3400, 3672, 3791, 3825, 4014, 4460, 4590, 5100, 5352, 5400, 5575, 6021, 6120, 6690, 7582, 7650, 8028, 8920, 9180, 10035, 10200, 11150, 11373, 11475, 12042, 13380, 15164, 15300, 16056, 16725, 18360, 18955, 20070, 22300, 22746, 22950, 24084, 26760, 30105, 30328, 30600, 33450, 34119, 37910, 40140, 44600, 45492, 45900, 48168, 50175, 56865, 60210, 66900, 68238, 75820, 80280, 90984, 91800, 94775, 100350, 102357, 113730, 120420, 133800, 136476, 150525, 151640, 170595, 189550, 200700, 204714, 227460, 240840, 272952, 284325, 301050, 341190, 379100, 401400, 409428, 454920, 511785, 568650, 602100, 682380, 758200, 818856, 852975, 1023570, 1137300, 1204200, 1364760, 1705950, 2047140, 2274600, 2558925, 3411900, 4094280, 5117850, 6823800, 10235700, 20471400]

約数ペア:

[(1, 20471400), (2, 10235700), (3, 6823800), (4, 5117850), (5, 4094280), (6, 3411900), (8, 2558925), (9, 2274600), (10, 2047140), (12, 1705950), (15, 1364760), (17, 1204200), (18, 1137300), (20, 1023570), (24, 852975), (25, 818856), (27, 758200), (30, 682380), (34, 602100), (36, 568650), (40, 511785), (45, 454920), (50, 409428), (51, 401400), (54, 379100), (60, 341190), (68, 301050), (72, 284325), (75, 272952), (85, 240840), (90, 227460), (100, 204714), (102, 200700), (108, 189550), (120, 170595), (135, 151640), (136, 150525), (150, 136476), (153, 133800), (170, 120420), (180, 113730), (200, 102357), (204, 100350), (216, 94775), (223, 91800), (225, 90984), (255, 80280), (270, 75820), (300, 68238), (306, 66900), (340, 60210), (360, 56865), (408, 50175), (425, 48168), (446, 45900), (450, 45492), (459, 44600), (510, 40140), (540, 37910), (600, 34119), (612, 33450), (669, 30600), (675, 30328), (680, 30105), (765, 26760), (850, 24084), (892, 22950), (900, 22746), (918, 22300), (1020, 20070), (1080, 18955), (1115, 18360), (1224, 16725), (1275, 16056), (1338, 15300), (1350, 15164), (1530, 13380), (1700, 12042), (1784, 11475), (1800, 11373), (1836, 11150), (2007, 10200), (2040, 10035), (2230, 9180), (2295, 8920), (2550, 8028), (2676, 7650), (2700, 7582), (3060, 6690), (3345, 6120), (3400, 6021), (3672, 5575), (3791, 5400), (3825, 5352), (4014, 5100), (4460, 4590)]