20215941760

素因数分解:

$2^7\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{22229}}^1$

素因数の和:22291

約数の個数: 192

約数和(自身を含む): 58160349000

約数和(自身を除く): 37944407240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 29, 32, 35, 40, 49, 56, 58, 64, 70, 80, 98, 112, 116, 128, 140, 145, 160, 196, 203, 224, 232, 245, 280, 290, 320, 392, 406, 448, 464, 490, 560, 580, 640, 784, 812, 896, 928, 980, 1015, 1120, 1160, 1421, 1568, 1624, 1856, 1960, 2030, 2240, 2320, 2842, 3136, 3248, 3712, 3920, 4060, 4480, 4640, 5684, 6272, 6496, 7105, 7840, 8120, 9280, 11368, 12992, 14210, 15680, 16240, 18560, 22229, 22736, 25984, 28420, 31360, 32480, 44458, 45472, 56840, 64960, 88916, 90944, 111145, 113680, 129920, 155603, 177832, 181888, 222290, 227360, 311206, 355664, 444580, 454720, 622412, 644641, 711328, 778015, 889160, 909440, 1089221, 1244824, 1289282, 1422656, 1556030, 1778320, 2178442, 2489648, 2578564, 2845312, 3112060, 3223205, 3556640, 4356884, 4512487, 4979296, 5157128, 5446105, 6224120, 6446410, 7113280, 8713768, 9024974, 9958592, 10314256, 10892210, 12448240, 12892820, 14226560, 17427536, 18049948, 19917184, 20628512, 21784420, 22562435, 24896480, 25785640, 31587409, 34855072, 36099896, 41257024, 43568840, 45124870, 49792960, 51571280, 63174818, 69710144, 72199792, 82514048, 87137680, 90249740, 99585920, 103142560, 126349636, 139420288, 144399584, 157937045, 174275360, 180499480, 206285120, 252699272, 288799168, 315874090, 348550720, 360998960, 412570240, 505398544, 577598336, 631748180, 697101440, 721997920, 1010797088, 1263496360, 1443995840, 2021594176, 2526992720, 2887991680, 4043188352, 5053985440, 10107970880, 20215941760]

約数ペア:

[(1, 20215941760), (2, 10107970880), (4, 5053985440), (5, 4043188352), (7, 2887991680), (8, 2526992720), (10, 2021594176), (14, 1443995840), (16, 1263496360), (20, 1010797088), (28, 721997920), (29, 697101440), (32, 631748180), (35, 577598336), (40, 505398544), (49, 412570240), (56, 360998960), (58, 348550720), (64, 315874090), (70, 288799168), (80, 252699272), (98, 206285120), (112, 180499480), (116, 174275360), (128, 157937045), (140, 144399584), (145, 139420288), (160, 126349636), (196, 103142560), (203, 99585920), (224, 90249740), (232, 87137680), (245, 82514048), (280, 72199792), (290, 69710144), (320, 63174818), (392, 51571280), (406, 49792960), (448, 45124870), (464, 43568840), (490, 41257024), (560, 36099896), (580, 34855072), (640, 31587409), (784, 25785640), (812, 24896480), (896, 22562435), (928, 21784420), (980, 20628512), (1015, 19917184), (1120, 18049948), (1160, 17427536), (1421, 14226560), (1568, 12892820), (1624, 12448240), (1856, 10892210), (1960, 10314256), (2030, 9958592), (2240, 9024974), (2320, 8713768), (2842, 7113280), (3136, 6446410), (3248, 6224120), (3712, 5446105), (3920, 5157128), (4060, 4979296), (4480, 4512487), (4640, 4356884), (5684, 3556640), (6272, 3223205), (6496, 3112060), (7105, 2845312), (7840, 2578564), (8120, 2489648), (9280, 2178442), (11368, 1778320), (12992, 1556030), (14210, 1422656), (15680, 1289282), (16240, 1244824), (18560, 1089221), (22229, 909440), (22736, 889160), (25984, 778015), (28420, 711328), (31360, 644641), (32480, 622412), (44458, 454720), (45472, 444580), (56840, 355664), (64960, 311206), (88916, 227360), (90944, 222290), (111145, 181888), (113680, 177832), (129920, 155603)]