20366640

素因数分解:

$2^4\times 3^4\times 5^1\times 7^1\times {\mathrm{449}}^1$

素因数の和:481

約数の個数: 200

約数和(自身を含む): 81021600

約数和(自身を除く): 60654960

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 70, 72, 80, 81, 84, 90, 105, 108, 112, 120, 126, 135, 140, 144, 162, 168, 180, 189, 210, 216, 240, 252, 270, 280, 315, 324, 336, 360, 378, 405, 420, 432, 449, 504, 540, 560, 567, 630, 648, 720, 756, 810, 840, 898, 945, 1008, 1080, 1134, 1260, 1296, 1347, 1512, 1620, 1680, 1796, 1890, 2160, 2245, 2268, 2520, 2694, 2835, 3024, 3143, 3240, 3592, 3780, 4041, 4490, 4536, 5040, 5388, 5670, 6286, 6480, 6735, 7184, 7560, 8082, 8980, 9072, 9429, 10776, 11340, 12123, 12572, 13470, 15120, 15715, 16164, 17960, 18858, 20205, 21552, 22680, 24246, 25144, 26940, 28287, 31430, 32328, 35920, 36369, 37716, 40410, 45360, 47145, 48492, 50288, 53880, 56574, 60615, 62860, 64656, 72738, 75432, 80820, 84861, 94290, 96984, 107760, 113148, 121230, 125720, 141435, 145476, 150864, 161640, 169722, 181845, 188580, 193968, 226296, 242460, 251440, 254583, 282870, 290952, 323280, 339444, 363690, 377160, 424305, 452592, 484920, 509166, 565740, 581904, 678888, 727380, 754320, 848610, 969840, 1018332, 1131480, 1272915, 1357776, 1454760, 1697220, 2036664, 2262960, 2545830, 2909520, 3394440, 4073328, 5091660, 6788880, 10183320, 20366640]

約数ペア:

[(1, 20366640), (2, 10183320), (3, 6788880), (4, 5091660), (5, 4073328), (6, 3394440), (7, 2909520), (8, 2545830), (9, 2262960), (10, 2036664), (12, 1697220), (14, 1454760), (15, 1357776), (16, 1272915), (18, 1131480), (20, 1018332), (21, 969840), (24, 848610), (27, 754320), (28, 727380), (30, 678888), (35, 581904), (36, 565740), (40, 509166), (42, 484920), (45, 452592), (48, 424305), (54, 377160), (56, 363690), (60, 339444), (63, 323280), (70, 290952), (72, 282870), (80, 254583), (81, 251440), (84, 242460), (90, 226296), (105, 193968), (108, 188580), (112, 181845), (120, 169722), (126, 161640), (135, 150864), (140, 145476), (144, 141435), (162, 125720), (168, 121230), (180, 113148), (189, 107760), (210, 96984), (216, 94290), (240, 84861), (252, 80820), (270, 75432), (280, 72738), (315, 64656), (324, 62860), (336, 60615), (360, 56574), (378, 53880), (405, 50288), (420, 48492), (432, 47145), (449, 45360), (504, 40410), (540, 37716), (560, 36369), (567, 35920), (630, 32328), (648, 31430), (720, 28287), (756, 26940), (810, 25144), (840, 24246), (898, 22680), (945, 21552), (1008, 20205), (1080, 18858), (1134, 17960), (1260, 16164), (1296, 15715), (1347, 15120), (1512, 13470), (1620, 12572), (1680, 12123), (1796, 11340), (1890, 10776), (2160, 9429), (2245, 9072), (2268, 8980), (2520, 8082), (2694, 7560), (2835, 7184), (3024, 6735), (3143, 6480), (3240, 6286), (3592, 5670), (3780, 5388), (4041, 5040), (4490, 4536)]