20287080

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{109}}^1$

素因数の和:184

約数の個数: 192

約数和(自身を含む): 74131200

約数和(自身を除く): 53844120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 47, 55, 60, 66, 72, 88, 90, 94, 99, 109, 110, 120, 132, 141, 165, 180, 188, 198, 218, 220, 235, 264, 282, 327, 330, 360, 376, 396, 423, 436, 440, 470, 495, 517, 545, 564, 654, 660, 705, 792, 846, 872, 940, 981, 990, 1034, 1090, 1128, 1199, 1308, 1320, 1410, 1551, 1635, 1692, 1880, 1962, 1980, 2068, 2115, 2180, 2398, 2585, 2616, 2820, 3102, 3270, 3384, 3597, 3924, 3960, 4136, 4230, 4360, 4653, 4796, 4905, 5123, 5170, 5640, 5995, 6204, 6540, 7194, 7755, 7848, 8460, 9306, 9592, 9810, 10246, 10340, 10791, 11990, 12408, 13080, 14388, 15369, 15510, 16920, 17985, 18612, 19620, 20492, 20680, 21582, 23265, 23980, 25615, 28776, 30738, 31020, 35970, 37224, 39240, 40984, 43164, 46107, 46530, 47960, 51230, 53955, 56353, 61476, 62040, 71940, 76845, 86328, 92214, 93060, 102460, 107910, 112706, 122952, 143880, 153690, 169059, 184428, 186120, 204920, 215820, 225412, 230535, 281765, 307380, 338118, 368856, 431640, 450824, 461070, 507177, 563530, 614760, 676236, 845295, 922140, 1014354, 1127060, 1352472, 1690590, 1844280, 2028708, 2254120, 2535885, 3381180, 4057416, 5071770, 6762360, 10143540, 20287080]

約数ペア:

[(1, 20287080), (2, 10143540), (3, 6762360), (4, 5071770), (5, 4057416), (6, 3381180), (8, 2535885), (9, 2254120), (10, 2028708), (11, 1844280), (12, 1690590), (15, 1352472), (18, 1127060), (20, 1014354), (22, 922140), (24, 845295), (30, 676236), (33, 614760), (36, 563530), (40, 507177), (44, 461070), (45, 450824), (47, 431640), (55, 368856), (60, 338118), (66, 307380), (72, 281765), (88, 230535), (90, 225412), (94, 215820), (99, 204920), (109, 186120), (110, 184428), (120, 169059), (132, 153690), (141, 143880), (165, 122952), (180, 112706), (188, 107910), (198, 102460), (218, 93060), (220, 92214), (235, 86328), (264, 76845), (282, 71940), (327, 62040), (330, 61476), (360, 56353), (376, 53955), (396, 51230), (423, 47960), (436, 46530), (440, 46107), (470, 43164), (495, 40984), (517, 39240), (545, 37224), (564, 35970), (654, 31020), (660, 30738), (705, 28776), (792, 25615), (846, 23980), (872, 23265), (940, 21582), (981, 20680), (990, 20492), (1034, 19620), (1090, 18612), (1128, 17985), (1199, 16920), (1308, 15510), (1320, 15369), (1410, 14388), (1551, 13080), (1635, 12408), (1692, 11990), (1880, 10791), (1962, 10340), (1980, 10246), (2068, 9810), (2115, 9592), (2180, 9306), (2398, 8460), (2585, 7848), (2616, 7755), (2820, 7194), (3102, 6540), (3270, 6204), (3384, 5995), (3597, 5640), (3924, 5170), (3960, 5123), (4136, 4905), (4230, 4796), (4360, 4653)]