20749525678

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^2\times {\mathrm{257}}^1\times {\mathrm{353}}^1$

素因数の和:698

約数の個数: 96

約数和(自身を含む): 39179236032

約数和(自身を除く): 18429710354

約数列:

[1, 2, 7, 14, 17, 31, 34, 62, 119, 217, 238, 257, 353, 434, 514, 527, 706, 961, 1054, 1799, 1922, 2471, 3598, 3689, 4369, 4942, 6001, 6727, 7378, 7967, 8738, 10943, 12002, 13454, 15934, 16337, 21886, 30583, 32674, 42007, 55769, 61166, 76601, 84014, 90721, 111538, 114359, 135439, 153202, 181442, 186031, 228718, 246977, 270878, 339233, 372062, 493954, 635047, 678466, 948073, 1270094, 1302217, 1542257, 1728839, 1896146, 2374631, 2604434, 2812351, 3084514, 3457678, 4198609, 4749262, 5624702, 5766961, 8397218, 10795799, 11533922, 19686457, 21591598, 29390263, 39372914, 40368727, 47809967, 58780526, 80737454, 87182881, 95619934, 174365762, 334669769, 610280167, 669339538, 1220560334, 1482108977, 2964217954, 10374762839, 20749525678]

約数ペア:

[(1, 20749525678), (2, 10374762839), (7, 2964217954), (14, 1482108977), (17, 1220560334), (31, 669339538), (34, 610280167), (62, 334669769), (119, 174365762), (217, 95619934), (238, 87182881), (257, 80737454), (353, 58780526), (434, 47809967), (514, 40368727), (527, 39372914), (706, 29390263), (961, 21591598), (1054, 19686457), (1799, 11533922), (1922, 10795799), (2471, 8397218), (3598, 5766961), (3689, 5624702), (4369, 4749262), (4942, 4198609), (6001, 3457678), (6727, 3084514), (7378, 2812351), (7967, 2604434), (8738, 2374631), (10943, 1896146), (12002, 1728839), (13454, 1542257), (15934, 1302217), (16337, 1270094), (21886, 948073), (30583, 678466), (32674, 635047), (42007, 493954), (55769, 372062), (61166, 339233), (76601, 270878), (84014, 246977), (90721, 228718), (111538, 186031), (114359, 181442), (135439, 153202)]