20165508545

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{3191}}^1$

素因数の和:3295

約数の個数: 128

約数和(自身を含む): 33977180160

約数和(自身を除く): 13811671615

約数列:

[1, 5, 7, 13, 17, 19, 35, 43, 65, 85, 91, 95, 119, 133, 215, 221, 247, 301, 323, 455, 559, 595, 665, 731, 817, 1105, 1235, 1505, 1547, 1615, 1729, 2261, 2795, 3191, 3655, 3913, 4085, 4199, 5117, 5719, 7735, 8645, 9503, 10621, 11305, 13889, 15955, 19565, 20995, 22337, 25585, 28595, 29393, 41483, 47515, 53105, 54247, 60629, 66521, 69445, 74347, 97223, 111685, 137213, 146965, 180557, 207415, 271235, 290381, 303145, 332605, 371735, 379729, 424403, 486115, 686065, 705211, 788177, 902785, 960491, 1030693, 1263899, 1451905, 1783769, 1898645, 2122015, 2332621, 2607047, 3526055, 3940885, 4802455, 4936477, 5153465, 5517239, 6319495, 7214851, 8918845, 11663105, 12486383, 13035235, 13399009, 16328347, 18249329, 24682385, 27586195, 30324073, 33891611, 36074255, 44319799, 62431915, 66995045, 81641735, 91246645, 93793063, 151620365, 169458055, 212268511, 221598995, 237241277, 310238593, 468965315, 576157387, 1061342555, 1186206385, 1551192965, 2880786935, 4033101709, 20165508545]

約数ペア:

[(1, 20165508545), (5, 4033101709), (7, 2880786935), (13, 1551192965), (17, 1186206385), (19, 1061342555), (35, 576157387), (43, 468965315), (65, 310238593), (85, 237241277), (91, 221598995), (95, 212268511), (119, 169458055), (133, 151620365), (215, 93793063), (221, 91246645), (247, 81641735), (301, 66995045), (323, 62431915), (455, 44319799), (559, 36074255), (595, 33891611), (665, 30324073), (731, 27586195), (817, 24682385), (1105, 18249329), (1235, 16328347), (1505, 13399009), (1547, 13035235), (1615, 12486383), (1729, 11663105), (2261, 8918845), (2795, 7214851), (3191, 6319495), (3655, 5517239), (3913, 5153465), (4085, 4936477), (4199, 4802455), (5117, 3940885), (5719, 3526055), (7735, 2607047), (8645, 2332621), (9503, 2122015), (10621, 1898645), (11305, 1783769), (13889, 1451905), (15955, 1263899), (19565, 1030693), (20995, 960491), (22337, 902785), (25585, 788177), (28595, 705211), (29393, 686065), (41483, 486115), (47515, 424403), (53105, 379729), (54247, 371735), (60629, 332605), (66521, 303145), (69445, 290381), (74347, 271235), (97223, 207415), (111685, 180557), (137213, 146965)]