20137600

素因数分解:

$2^7\times 5^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1$

素因数の和:91

約数の個数: 192

約数和(自身を含む): 60710400

約数和(自身を除く): 40572800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 29, 31, 32, 35, 40, 50, 56, 58, 62, 64, 70, 80, 100, 112, 116, 124, 128, 140, 145, 155, 160, 175, 200, 203, 217, 224, 232, 248, 280, 290, 310, 320, 350, 400, 406, 434, 448, 464, 496, 560, 580, 620, 640, 700, 725, 775, 800, 812, 868, 896, 899, 928, 992, 1015, 1085, 1120, 1160, 1240, 1400, 1450, 1550, 1600, 1624, 1736, 1798, 1856, 1984, 2030, 2170, 2240, 2320, 2480, 2800, 2900, 3100, 3200, 3248, 3472, 3596, 3712, 3968, 4060, 4340, 4480, 4495, 4640, 4960, 5075, 5425, 5600, 5800, 6200, 6293, 6496, 6944, 7192, 8120, 8680, 8990, 9280, 9920, 10150, 10850, 11200, 11600, 12400, 12586, 12992, 13888, 14384, 16240, 17360, 17980, 18560, 19840, 20300, 21700, 22400, 22475, 23200, 24800, 25172, 25984, 27776, 28768, 31465, 32480, 34720, 35960, 40600, 43400, 44950, 46400, 49600, 50344, 57536, 62930, 64960, 69440, 71920, 81200, 86800, 89900, 92800, 99200, 100688, 115072, 125860, 129920, 138880, 143840, 157325, 162400, 173600, 179800, 201376, 251720, 287680, 314650, 324800, 347200, 359600, 402752, 503440, 575360, 629300, 649600, 694400, 719200, 805504, 1006880, 1258600, 1438400, 2013760, 2517200, 2876800, 4027520, 5034400, 10068800, 20137600]

約数ペア:

[(1, 20137600), (2, 10068800), (4, 5034400), (5, 4027520), (7, 2876800), (8, 2517200), (10, 2013760), (14, 1438400), (16, 1258600), (20, 1006880), (25, 805504), (28, 719200), (29, 694400), (31, 649600), (32, 629300), (35, 575360), (40, 503440), (50, 402752), (56, 359600), (58, 347200), (62, 324800), (64, 314650), (70, 287680), (80, 251720), (100, 201376), (112, 179800), (116, 173600), (124, 162400), (128, 157325), (140, 143840), (145, 138880), (155, 129920), (160, 125860), (175, 115072), (200, 100688), (203, 99200), (217, 92800), (224, 89900), (232, 86800), (248, 81200), (280, 71920), (290, 69440), (310, 64960), (320, 62930), (350, 57536), (400, 50344), (406, 49600), (434, 46400), (448, 44950), (464, 43400), (496, 40600), (560, 35960), (580, 34720), (620, 32480), (640, 31465), (700, 28768), (725, 27776), (775, 25984), (800, 25172), (812, 24800), (868, 23200), (896, 22475), (899, 22400), (928, 21700), (992, 20300), (1015, 19840), (1085, 18560), (1120, 17980), (1160, 17360), (1240, 16240), (1400, 14384), (1450, 13888), (1550, 12992), (1600, 12586), (1624, 12400), (1736, 11600), (1798, 11200), (1856, 10850), (1984, 10150), (2030, 9920), (2170, 9280), (2240, 8990), (2320, 8680), (2480, 8120), (2800, 7192), (2900, 6944), (3100, 6496), (3200, 6293), (3248, 6200), (3472, 5800), (3596, 5600), (3712, 5425), (3968, 5075), (4060, 4960), (4340, 4640), (4480, 4495)]