20682900

素因数分解:

$2^2\times 3^2\times 5^2\times 7^3\times {\mathrm{67}}^1$

素因数の和:108

約数の個数: 216

約数和(自身を含む): 76731200

約数和(自身を除く): 56048300

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 25, 28, 30, 35, 36, 42, 45, 49, 50, 60, 63, 67, 70, 75, 84, 90, 98, 100, 105, 126, 134, 140, 147, 150, 175, 180, 196, 201, 210, 225, 245, 252, 268, 294, 300, 315, 335, 343, 350, 402, 420, 441, 450, 469, 490, 525, 588, 603, 630, 670, 686, 700, 735, 804, 882, 900, 938, 980, 1005, 1029, 1050, 1206, 1225, 1260, 1340, 1372, 1407, 1470, 1575, 1675, 1715, 1764, 1876, 2010, 2058, 2100, 2205, 2345, 2412, 2450, 2814, 2940, 3015, 3087, 3150, 3283, 3350, 3430, 3675, 4020, 4116, 4221, 4410, 4690, 4900, 5025, 5145, 5628, 6030, 6174, 6300, 6566, 6700, 6860, 7035, 7350, 8442, 8575, 8820, 9380, 9849, 10050, 10290, 11025, 11725, 12060, 12348, 13132, 14070, 14700, 15075, 15435, 16415, 16884, 17150, 19698, 20100, 20580, 21105, 22050, 22981, 23450, 25725, 28140, 29547, 30150, 30870, 32830, 34300, 35175, 39396, 42210, 44100, 45962, 46900, 49245, 51450, 59094, 60300, 61740, 65660, 68943, 70350, 77175, 82075, 84420, 91924, 98490, 102900, 105525, 114905, 118188, 137886, 140700, 147735, 154350, 164150, 196980, 206829, 211050, 229810, 246225, 275772, 295470, 308700, 328300, 344715, 413658, 422100, 459620, 492450, 574525, 590940, 689430, 738675, 827316, 984900, 1034145, 1149050, 1378860, 1477350, 1723575, 2068290, 2298100, 2954700, 3447150, 4136580, 5170725, 6894300, 10341450, 20682900]

約数ペア:

[(1, 20682900), (2, 10341450), (3, 6894300), (4, 5170725), (5, 4136580), (6, 3447150), (7, 2954700), (9, 2298100), (10, 2068290), (12, 1723575), (14, 1477350), (15, 1378860), (18, 1149050), (20, 1034145), (21, 984900), (25, 827316), (28, 738675), (30, 689430), (35, 590940), (36, 574525), (42, 492450), (45, 459620), (49, 422100), (50, 413658), (60, 344715), (63, 328300), (67, 308700), (70, 295470), (75, 275772), (84, 246225), (90, 229810), (98, 211050), (100, 206829), (105, 196980), (126, 164150), (134, 154350), (140, 147735), (147, 140700), (150, 137886), (175, 118188), (180, 114905), (196, 105525), (201, 102900), (210, 98490), (225, 91924), (245, 84420), (252, 82075), (268, 77175), (294, 70350), (300, 68943), (315, 65660), (335, 61740), (343, 60300), (350, 59094), (402, 51450), (420, 49245), (441, 46900), (450, 45962), (469, 44100), (490, 42210), (525, 39396), (588, 35175), (603, 34300), (630, 32830), (670, 30870), (686, 30150), (700, 29547), (735, 28140), (804, 25725), (882, 23450), (900, 22981), (938, 22050), (980, 21105), (1005, 20580), (1029, 20100), (1050, 19698), (1206, 17150), (1225, 16884), (1260, 16415), (1340, 15435), (1372, 15075), (1407, 14700), (1470, 14070), (1575, 13132), (1675, 12348), (1715, 12060), (1764, 11725), (1876, 11025), (2010, 10290), (2058, 10050), (2100, 9849), (2205, 9380), (2345, 8820), (2412, 8575), (2450, 8442), (2814, 7350), (2940, 7035), (3015, 6860), (3087, 6700), (3150, 6566), (3283, 6300), (3350, 6174), (3430, 6030), (3675, 5628), (4020, 5145), (4116, 5025), (4221, 4900), (4410, 4690)]