20804922306

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{61223}}^1$

素因数の和:61301

約数の個数: 128

約数和(自身を含む): 56424038400

約数和(自身を除く): 35619116094

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 29, 31, 42, 54, 58, 62, 63, 87, 93, 126, 174, 186, 189, 203, 217, 261, 279, 378, 406, 434, 522, 558, 609, 651, 783, 837, 899, 1218, 1302, 1566, 1674, 1798, 1827, 1953, 2697, 3654, 3906, 5394, 5481, 5859, 6293, 8091, 10962, 11718, 12586, 16182, 18879, 24273, 37758, 48546, 56637, 61223, 113274, 122446, 169911, 183669, 339822, 367338, 428561, 551007, 857122, 1102014, 1285683, 1653021, 1775467, 1897913, 2571366, 3306042, 3550934, 3795826, 3857049, 5326401, 5693739, 7714098, 10652802, 11387478, 11571147, 12428269, 13285391, 15979203, 17081217, 23142294, 24856538, 26570782, 31958406, 34162434, 37284807, 39856173, 47937609, 51243651, 55039477, 74569614, 79712346, 95875218, 102487302, 110078954, 111854421, 119568519, 165118431, 223708842, 239137038, 330236862, 335563263, 358705557, 385276339, 495355293, 671126526, 717411114, 770552678, 990710586, 1155829017, 1486065879, 2311658034, 2972131758, 3467487051, 6934974102, 10402461153, 20804922306]

約数ペア:

[(1, 20804922306), (2, 10402461153), (3, 6934974102), (6, 3467487051), (7, 2972131758), (9, 2311658034), (14, 1486065879), (18, 1155829017), (21, 990710586), (27, 770552678), (29, 717411114), (31, 671126526), (42, 495355293), (54, 385276339), (58, 358705557), (62, 335563263), (63, 330236862), (87, 239137038), (93, 223708842), (126, 165118431), (174, 119568519), (186, 111854421), (189, 110078954), (203, 102487302), (217, 95875218), (261, 79712346), (279, 74569614), (378, 55039477), (406, 51243651), (434, 47937609), (522, 39856173), (558, 37284807), (609, 34162434), (651, 31958406), (783, 26570782), (837, 24856538), (899, 23142294), (1218, 17081217), (1302, 15979203), (1566, 13285391), (1674, 12428269), (1798, 11571147), (1827, 11387478), (1953, 10652802), (2697, 7714098), (3654, 5693739), (3906, 5326401), (5394, 3857049), (5481, 3795826), (5859, 3550934), (6293, 3306042), (8091, 2571366), (10962, 1897913), (11718, 1775467), (12586, 1653021), (16182, 1285683), (18879, 1102014), (24273, 857122), (37758, 551007), (48546, 428561), (56637, 367338), (61223, 339822), (113274, 183669), (122446, 169911)]