20436840

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{127}}^1\times {\mathrm{149}}^1$

素因数の和:296

約数の個数: 128

約数和(自身を含む): 69120000

約数和(自身を除く): 48683160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 127, 135, 149, 180, 216, 254, 270, 298, 360, 381, 447, 508, 540, 596, 635, 745, 762, 894, 1016, 1080, 1143, 1192, 1270, 1341, 1490, 1524, 1788, 1905, 2235, 2286, 2540, 2682, 2980, 3048, 3429, 3576, 3810, 4023, 4470, 4572, 5080, 5364, 5715, 5960, 6705, 6858, 7620, 8046, 8940, 9144, 10728, 11430, 13410, 13716, 15240, 16092, 17145, 17880, 18923, 20115, 22860, 26820, 27432, 32184, 34290, 37846, 40230, 45720, 53640, 56769, 68580, 75692, 80460, 94615, 113538, 137160, 151384, 160920, 170307, 189230, 227076, 283845, 340614, 378460, 454152, 510921, 567690, 681228, 756920, 851535, 1021842, 1135380, 1362456, 1703070, 2043684, 2270760, 2554605, 3406140, 4087368, 5109210, 6812280, 10218420, 20436840]

約数ペア:

[(1, 20436840), (2, 10218420), (3, 6812280), (4, 5109210), (5, 4087368), (6, 3406140), (8, 2554605), (9, 2270760), (10, 2043684), (12, 1703070), (15, 1362456), (18, 1135380), (20, 1021842), (24, 851535), (27, 756920), (30, 681228), (36, 567690), (40, 510921), (45, 454152), (54, 378460), (60, 340614), (72, 283845), (90, 227076), (108, 189230), (120, 170307), (127, 160920), (135, 151384), (149, 137160), (180, 113538), (216, 94615), (254, 80460), (270, 75692), (298, 68580), (360, 56769), (381, 53640), (447, 45720), (508, 40230), (540, 37846), (596, 34290), (635, 32184), (745, 27432), (762, 26820), (894, 22860), (1016, 20115), (1080, 18923), (1143, 17880), (1192, 17145), (1270, 16092), (1341, 15240), (1490, 13716), (1524, 13410), (1788, 11430), (1905, 10728), (2235, 9144), (2286, 8940), (2540, 8046), (2682, 7620), (2980, 6858), (3048, 6705), (3429, 5960), (3576, 5715), (3810, 5364), (4023, 5080), (4470, 4572)]