20180858865

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^2\times {\mathrm{139}}^1\times {\mathrm{677}}^1$

素因数の和:899

約数の個数: 96

約数和(自身を含む): 35715738240

約数和(自身を除く): 15534879375

約数列:

[1, 3, 5, 15, 17, 29, 51, 85, 87, 139, 145, 255, 417, 435, 493, 677, 695, 841, 1479, 2031, 2085, 2363, 2465, 2523, 3385, 4031, 4205, 7089, 7395, 10155, 11509, 11815, 12093, 12615, 14297, 19633, 20155, 34527, 35445, 42891, 57545, 58899, 60465, 68527, 71485, 94103, 98165, 116899, 172635, 205581, 214455, 282309, 294495, 333761, 342635, 350697, 470515, 569357, 584495, 1001283, 1027905, 1411545, 1599751, 1668805, 1708071, 1753485, 1987283, 2728987, 2846785, 4799253, 5006415, 5961849, 7998755, 8186961, 8540355, 9679069, 9936415, 13644935, 23996265, 29037207, 29809245, 40934805, 46392779, 48395345, 79140623, 139178337, 145186035, 231963895, 237421869, 395703115, 695891685, 1187109345, 1345390591, 4036171773, 6726952955, 20180858865]

約数ペア:

[(1, 20180858865), (3, 6726952955), (5, 4036171773), (15, 1345390591), (17, 1187109345), (29, 695891685), (51, 395703115), (85, 237421869), (87, 231963895), (139, 145186035), (145, 139178337), (255, 79140623), (417, 48395345), (435, 46392779), (493, 40934805), (677, 29809245), (695, 29037207), (841, 23996265), (1479, 13644935), (2031, 9936415), (2085, 9679069), (2363, 8540355), (2465, 8186961), (2523, 7998755), (3385, 5961849), (4031, 5006415), (4205, 4799253), (7089, 2846785), (7395, 2728987), (10155, 1987283), (11509, 1753485), (11815, 1708071), (12093, 1668805), (12615, 1599751), (14297, 1411545), (19633, 1027905), (20155, 1001283), (34527, 584495), (35445, 569357), (42891, 470515), (57545, 350697), (58899, 342635), (60465, 333761), (68527, 294495), (71485, 282309), (94103, 214455), (98165, 205581), (116899, 172635)]