20547221520

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{421741}}^1$

素因数の和:421793

約数の個数: 160

約数和(自身を含む): 75306251520

約数和(自身を除く): 54759030000

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 29, 30, 35, 40, 42, 48, 56, 58, 60, 70, 80, 84, 87, 105, 112, 116, 120, 140, 145, 168, 174, 203, 210, 232, 240, 280, 290, 336, 348, 406, 420, 435, 464, 560, 580, 609, 696, 812, 840, 870, 1015, 1160, 1218, 1392, 1624, 1680, 1740, 2030, 2320, 2436, 3045, 3248, 3480, 4060, 4872, 6090, 6960, 8120, 9744, 12180, 16240, 24360, 48720, 421741, 843482, 1265223, 1686964, 2108705, 2530446, 2952187, 3373928, 4217410, 5060892, 5904374, 6326115, 6747856, 8434820, 8856561, 10121784, 11808748, 12230489, 12652230, 14760935, 16869640, 17713122, 20243568, 23617496, 24460978, 25304460, 29521870, 33739280, 35426244, 36691467, 44282805, 47234992, 48921956, 50608920, 59043740, 61152445, 70852488, 73382934, 85613423, 88565610, 97843912, 101217840, 118087480, 122304890, 141704976, 146765868, 171226846, 177131220, 183457335, 195687824, 236174960, 244609780, 256840269, 293531736, 342453692, 354262440, 366914670, 428067115, 489219560, 513680538, 587063472, 684907384, 708524880, 733829340, 856134230, 978439120, 1027361076, 1284201345, 1369814768, 1467658680, 1712268460, 2054722152, 2568402690, 2935317360, 3424536920, 4109444304, 5136805380, 6849073840, 10273610760, 20547221520]

約数ペア:

[(1, 20547221520), (2, 10273610760), (3, 6849073840), (4, 5136805380), (5, 4109444304), (6, 3424536920), (7, 2935317360), (8, 2568402690), (10, 2054722152), (12, 1712268460), (14, 1467658680), (15, 1369814768), (16, 1284201345), (20, 1027361076), (21, 978439120), (24, 856134230), (28, 733829340), (29, 708524880), (30, 684907384), (35, 587063472), (40, 513680538), (42, 489219560), (48, 428067115), (56, 366914670), (58, 354262440), (60, 342453692), (70, 293531736), (80, 256840269), (84, 244609780), (87, 236174960), (105, 195687824), (112, 183457335), (116, 177131220), (120, 171226846), (140, 146765868), (145, 141704976), (168, 122304890), (174, 118087480), (203, 101217840), (210, 97843912), (232, 88565610), (240, 85613423), (280, 73382934), (290, 70852488), (336, 61152445), (348, 59043740), (406, 50608920), (420, 48921956), (435, 47234992), (464, 44282805), (560, 36691467), (580, 35426244), (609, 33739280), (696, 29521870), (812, 25304460), (840, 24460978), (870, 23617496), (1015, 20243568), (1160, 17713122), (1218, 16869640), (1392, 14760935), (1624, 12652230), (1680, 12230489), (1740, 11808748), (2030, 10121784), (2320, 8856561), (2436, 8434820), (3045, 6747856), (3248, 6326115), (3480, 5904374), (4060, 5060892), (4872, 4217410), (6090, 3373928), (6960, 2952187), (8120, 2530446), (9744, 2108705), (12180, 1686964), (16240, 1265223), (24360, 843482), (48720, 421741)]