20758680

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{149}}^1$

素因数の和:215

約数の個数: 160

約数和(自身を含む): 71874000

約数和(自身を除く): 51115320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 43, 45, 54, 60, 72, 81, 86, 90, 108, 120, 129, 135, 149, 162, 172, 180, 215, 216, 258, 270, 298, 324, 344, 360, 387, 405, 430, 447, 516, 540, 596, 645, 648, 745, 774, 810, 860, 894, 1032, 1080, 1161, 1192, 1290, 1341, 1490, 1548, 1620, 1720, 1788, 1935, 2235, 2322, 2580, 2682, 2980, 3096, 3240, 3483, 3576, 3870, 4023, 4470, 4644, 5160, 5364, 5805, 5960, 6407, 6705, 6966, 7740, 8046, 8940, 9288, 10728, 11610, 12069, 12814, 13410, 13932, 15480, 16092, 17415, 17880, 19221, 20115, 23220, 24138, 25628, 26820, 27864, 32035, 32184, 34830, 38442, 40230, 46440, 48276, 51256, 53640, 57663, 60345, 64070, 69660, 76884, 80460, 96105, 96552, 115326, 120690, 128140, 139320, 153768, 160920, 172989, 192210, 230652, 241380, 256280, 288315, 345978, 384420, 461304, 482760, 518967, 576630, 691956, 768840, 864945, 1037934, 1153260, 1383912, 1729890, 2075868, 2306520, 2594835, 3459780, 4151736, 5189670, 6919560, 10379340, 20758680]

約数ペア:

[(1, 20758680), (2, 10379340), (3, 6919560), (4, 5189670), (5, 4151736), (6, 3459780), (8, 2594835), (9, 2306520), (10, 2075868), (12, 1729890), (15, 1383912), (18, 1153260), (20, 1037934), (24, 864945), (27, 768840), (30, 691956), (36, 576630), (40, 518967), (43, 482760), (45, 461304), (54, 384420), (60, 345978), (72, 288315), (81, 256280), (86, 241380), (90, 230652), (108, 192210), (120, 172989), (129, 160920), (135, 153768), (149, 139320), (162, 128140), (172, 120690), (180, 115326), (215, 96552), (216, 96105), (258, 80460), (270, 76884), (298, 69660), (324, 64070), (344, 60345), (360, 57663), (387, 53640), (405, 51256), (430, 48276), (447, 46440), (516, 40230), (540, 38442), (596, 34830), (645, 32184), (648, 32035), (745, 27864), (774, 26820), (810, 25628), (860, 24138), (894, 23220), (1032, 20115), (1080, 19221), (1161, 17880), (1192, 17415), (1290, 16092), (1341, 15480), (1490, 13932), (1548, 13410), (1620, 12814), (1720, 12069), (1788, 11610), (1935, 10728), (2235, 9288), (2322, 8940), (2580, 8046), (2682, 7740), (2980, 6966), (3096, 6705), (3240, 6407), (3483, 5960), (3576, 5805), (3870, 5364), (4023, 5160), (4470, 4644)]