20586720

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{557}}^1$

素因数の和:593

約数の個数: 192

約数和(自身を含む): 80994816

約数和(自身を除く): 60408096

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 16, 20, 21, 22, 24, 28, 30, 32, 33, 35, 40, 42, 44, 48, 55, 56, 60, 66, 70, 77, 80, 84, 88, 96, 105, 110, 112, 120, 132, 140, 154, 160, 165, 168, 176, 210, 220, 224, 231, 240, 264, 280, 308, 330, 336, 352, 385, 420, 440, 462, 480, 528, 557, 560, 616, 660, 672, 770, 840, 880, 924, 1056, 1114, 1120, 1155, 1232, 1320, 1540, 1671, 1680, 1760, 1848, 2228, 2310, 2464, 2640, 2785, 3080, 3342, 3360, 3696, 3899, 4456, 4620, 5280, 5570, 6127, 6160, 6684, 7392, 7798, 8355, 8912, 9240, 11140, 11697, 12254, 12320, 13368, 15596, 16710, 17824, 18381, 18480, 19495, 22280, 23394, 24508, 26736, 30635, 31192, 33420, 36762, 36960, 38990, 42889, 44560, 46788, 49016, 53472, 58485, 61270, 62384, 66840, 73524, 77980, 85778, 89120, 91905, 93576, 98032, 116970, 122540, 124768, 128667, 133680, 147048, 155960, 171556, 183810, 187152, 196064, 214445, 233940, 245080, 257334, 267360, 294096, 311920, 343112, 367620, 374304, 428890, 467880, 490160, 514668, 588192, 623840, 643335, 686224, 735240, 857780, 935760, 980320, 1029336, 1286670, 1372448, 1470480, 1715560, 1871520, 2058672, 2573340, 2940960, 3431120, 4117344, 5146680, 6862240, 10293360, 20586720]

約数ペア:

[(1, 20586720), (2, 10293360), (3, 6862240), (4, 5146680), (5, 4117344), (6, 3431120), (7, 2940960), (8, 2573340), (10, 2058672), (11, 1871520), (12, 1715560), (14, 1470480), (15, 1372448), (16, 1286670), (20, 1029336), (21, 980320), (22, 935760), (24, 857780), (28, 735240), (30, 686224), (32, 643335), (33, 623840), (35, 588192), (40, 514668), (42, 490160), (44, 467880), (48, 428890), (55, 374304), (56, 367620), (60, 343112), (66, 311920), (70, 294096), (77, 267360), (80, 257334), (84, 245080), (88, 233940), (96, 214445), (105, 196064), (110, 187152), (112, 183810), (120, 171556), (132, 155960), (140, 147048), (154, 133680), (160, 128667), (165, 124768), (168, 122540), (176, 116970), (210, 98032), (220, 93576), (224, 91905), (231, 89120), (240, 85778), (264, 77980), (280, 73524), (308, 66840), (330, 62384), (336, 61270), (352, 58485), (385, 53472), (420, 49016), (440, 46788), (462, 44560), (480, 42889), (528, 38990), (557, 36960), (560, 36762), (616, 33420), (660, 31192), (672, 30635), (770, 26736), (840, 24508), (880, 23394), (924, 22280), (1056, 19495), (1114, 18480), (1120, 18381), (1155, 17824), (1232, 16710), (1320, 15596), (1540, 13368), (1671, 12320), (1680, 12254), (1760, 11697), (1848, 11140), (2228, 9240), (2310, 8912), (2464, 8355), (2640, 7798), (2785, 7392), (3080, 6684), (3342, 6160), (3360, 6127), (3696, 5570), (3899, 5280), (4456, 4620)]