20512902340

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{29}}^1\times {\mathrm{97}}^1\times {\mathrm{1063}}^1$

素因数の和:1219

約数の個数: 192

約数和(自身を含む): 52553088000

約数和(自身を除く): 32040185660

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 49, 58, 70, 97, 98, 116, 140, 145, 194, 196, 203, 245, 290, 343, 388, 406, 485, 490, 580, 679, 686, 812, 970, 980, 1015, 1063, 1358, 1372, 1421, 1715, 1940, 2030, 2126, 2716, 2813, 2842, 3395, 3430, 4060, 4252, 4753, 5315, 5626, 5684, 6790, 6860, 7105, 7441, 9506, 9947, 10630, 11252, 13580, 14065, 14210, 14882, 19012, 19691, 19894, 21260, 23765, 28130, 28420, 29764, 30827, 33271, 37205, 39382, 39788, 47530, 49735, 52087, 56260, 61654, 66542, 74410, 78764, 95060, 98455, 99470, 103111, 104174, 123308, 133084, 137837, 148820, 154135, 166355, 196910, 198940, 206222, 208348, 215789, 260435, 275674, 308270, 332710, 364609, 393820, 412444, 431578, 515555, 520870, 551348, 616540, 665420, 689185, 721777, 729218, 863156, 964859, 1031110, 1041740, 1078945, 1378370, 1443554, 1458436, 1510523, 1823045, 1929718, 2062220, 2157890, 2756740, 2887108, 2990219, 3021046, 3608885, 3646090, 3859436, 4315780, 4824295, 5052439, 5980438, 6042092, 7217770, 7292180, 7552615, 9648590, 10104878, 10573661, 11960876, 14435540, 14951095, 15105230, 19297180, 20209756, 20931533, 21147322, 25262195, 29902190, 30210460, 35367073, 41863066, 42294644, 50524390, 52868305, 59804380, 70734146, 83726132, 101048780, 104657665, 105736610, 141468292, 146520731, 176835365, 209315330, 211473220, 293041462, 353670730, 418630660, 586082924, 707341460, 732603655, 1025645117, 1465207310, 2051290234, 2930414620, 4102580468, 5128225585, 10256451170, 20512902340]

約数ペア:

[(1, 20512902340), (2, 10256451170), (4, 5128225585), (5, 4102580468), (7, 2930414620), (10, 2051290234), (14, 1465207310), (20, 1025645117), (28, 732603655), (29, 707341460), (35, 586082924), (49, 418630660), (58, 353670730), (70, 293041462), (97, 211473220), (98, 209315330), (116, 176835365), (140, 146520731), (145, 141468292), (194, 105736610), (196, 104657665), (203, 101048780), (245, 83726132), (290, 70734146), (343, 59804380), (388, 52868305), (406, 50524390), (485, 42294644), (490, 41863066), (580, 35367073), (679, 30210460), (686, 29902190), (812, 25262195), (970, 21147322), (980, 20931533), (1015, 20209756), (1063, 19297180), (1358, 15105230), (1372, 14951095), (1421, 14435540), (1715, 11960876), (1940, 10573661), (2030, 10104878), (2126, 9648590), (2716, 7552615), (2813, 7292180), (2842, 7217770), (3395, 6042092), (3430, 5980438), (4060, 5052439), (4252, 4824295), (4753, 4315780), (5315, 3859436), (5626, 3646090), (5684, 3608885), (6790, 3021046), (6860, 2990219), (7105, 2887108), (7441, 2756740), (9506, 2157890), (9947, 2062220), (10630, 1929718), (11252, 1823045), (13580, 1510523), (14065, 1458436), (14210, 1443554), (14882, 1378370), (19012, 1078945), (19691, 1041740), (19894, 1031110), (21260, 964859), (23765, 863156), (28130, 729218), (28420, 721777), (29764, 689185), (30827, 665420), (33271, 616540), (37205, 551348), (39382, 520870), (39788, 515555), (47530, 431578), (49735, 412444), (52087, 393820), (56260, 364609), (61654, 332710), (66542, 308270), (74410, 275674), (78764, 260435), (95060, 215789), (98455, 208348), (99470, 206222), (103111, 198940), (104174, 196910), (123308, 166355), (133084, 154135), (137837, 148820)]