20199600

素因数分解:

$2^4\times 3^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{181}}^1$

素因数の和:236

約数の個数: 180

約数和(自身を含む): 72759232

約数和(自身を除く): 52559632

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 30, 31, 36, 40, 45, 48, 50, 60, 62, 72, 75, 80, 90, 93, 100, 120, 124, 144, 150, 155, 180, 181, 186, 200, 225, 240, 248, 279, 300, 310, 360, 362, 372, 400, 450, 465, 496, 543, 558, 600, 620, 720, 724, 744, 775, 900, 905, 930, 1086, 1116, 1200, 1240, 1395, 1448, 1488, 1550, 1629, 1800, 1810, 1860, 2172, 2232, 2325, 2480, 2715, 2790, 2896, 3100, 3258, 3600, 3620, 3720, 4344, 4464, 4525, 4650, 5430, 5580, 5611, 6200, 6516, 6975, 7240, 7440, 8145, 8688, 9050, 9300, 10860, 11160, 11222, 12400, 13032, 13575, 13950, 14480, 16290, 16833, 18100, 18600, 21720, 22320, 22444, 26064, 27150, 27900, 28055, 32580, 33666, 36200, 37200, 40725, 43440, 44888, 50499, 54300, 55800, 56110, 65160, 67332, 72400, 81450, 84165, 89776, 100998, 108600, 111600, 112220, 130320, 134664, 140275, 162900, 168330, 201996, 217200, 224440, 252495, 269328, 280550, 325800, 336660, 403992, 420825, 448880, 504990, 561100, 651600, 673320, 807984, 841650, 1009980, 1122200, 1262475, 1346640, 1683300, 2019960, 2244400, 2524950, 3366600, 4039920, 5049900, 6733200, 10099800, 20199600]

約数ペア:

[(1, 20199600), (2, 10099800), (3, 6733200), (4, 5049900), (5, 4039920), (6, 3366600), (8, 2524950), (9, 2244400), (10, 2019960), (12, 1683300), (15, 1346640), (16, 1262475), (18, 1122200), (20, 1009980), (24, 841650), (25, 807984), (30, 673320), (31, 651600), (36, 561100), (40, 504990), (45, 448880), (48, 420825), (50, 403992), (60, 336660), (62, 325800), (72, 280550), (75, 269328), (80, 252495), (90, 224440), (93, 217200), (100, 201996), (120, 168330), (124, 162900), (144, 140275), (150, 134664), (155, 130320), (180, 112220), (181, 111600), (186, 108600), (200, 100998), (225, 89776), (240, 84165), (248, 81450), (279, 72400), (300, 67332), (310, 65160), (360, 56110), (362, 55800), (372, 54300), (400, 50499), (450, 44888), (465, 43440), (496, 40725), (543, 37200), (558, 36200), (600, 33666), (620, 32580), (720, 28055), (724, 27900), (744, 27150), (775, 26064), (900, 22444), (905, 22320), (930, 21720), (1086, 18600), (1116, 18100), (1200, 16833), (1240, 16290), (1395, 14480), (1448, 13950), (1488, 13575), (1550, 13032), (1629, 12400), (1800, 11222), (1810, 11160), (1860, 10860), (2172, 9300), (2232, 9050), (2325, 8688), (2480, 8145), (2715, 7440), (2790, 7240), (2896, 6975), (3100, 6516), (3258, 6200), (3600, 5611), (3620, 5580), (3720, 5430), (4344, 4650), (4464, 4525)]