20107997679

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{2521}}^1$

素因数の和:2669

約数の個数: 96

約数和(自身を含む): 34948705792

約数和(自身を除く): 14840708113

約数列:

[1, 3, 7, 11, 21, 33, 43, 73, 77, 121, 129, 219, 231, 301, 363, 473, 511, 803, 847, 903, 1419, 1533, 2409, 2521, 2541, 3139, 3311, 5203, 5621, 7563, 8833, 9417, 9933, 15609, 16863, 17647, 21973, 26499, 27731, 34529, 36421, 52941, 61831, 65919, 83193, 103587, 108403, 109263, 184033, 185493, 194117, 241703, 305041, 325209, 379819, 552099, 582351, 725109, 758821, 915123, 1139457, 1192433, 1288231, 2024363, 2135287, 2276463, 2658733, 3577299, 3864693, 6073089, 6405861, 7913419, 7976199, 8347031, 13116763, 14170541, 22267993, 23740257, 25041093, 39350289, 42511623, 55393933, 66803979, 87047609, 91817341, 155875951, 166181799, 261142827, 275452023, 467627853, 609333263, 957523699, 1827999789, 2872571097, 6702665893, 20107997679]

約数ペア:

[(1, 20107997679), (3, 6702665893), (7, 2872571097), (11, 1827999789), (21, 957523699), (33, 609333263), (43, 467627853), (73, 275452023), (77, 261142827), (121, 166181799), (129, 155875951), (219, 91817341), (231, 87047609), (301, 66803979), (363, 55393933), (473, 42511623), (511, 39350289), (803, 25041093), (847, 23740257), (903, 22267993), (1419, 14170541), (1533, 13116763), (2409, 8347031), (2521, 7976199), (2541, 7913419), (3139, 6405861), (3311, 6073089), (5203, 3864693), (5621, 3577299), (7563, 2658733), (8833, 2276463), (9417, 2135287), (9933, 2024363), (15609, 1288231), (16863, 1192433), (17647, 1139457), (21973, 915123), (26499, 758821), (27731, 725109), (34529, 582351), (36421, 552099), (52941, 379819), (61831, 325209), (65919, 305041), (83193, 241703), (103587, 194117), (108403, 185493), (109263, 184033)]