20186990012

素因数分解:

$2^2\times 7^2\times {\mathrm{43}}^2\times {\mathrm{53}}^1\times {\mathrm{1051}}^1$

素因数の和:1208

約数の個数: 108

約数和(自身を含む): 42907480056

約数和(自身を除く): 22720490044

約数列:

[1, 2, 4, 7, 14, 28, 43, 49, 53, 86, 98, 106, 172, 196, 212, 301, 371, 602, 742, 1051, 1204, 1484, 1849, 2102, 2107, 2279, 2597, 3698, 4204, 4214, 4558, 5194, 7357, 7396, 8428, 9116, 10388, 12943, 14714, 15953, 25886, 29428, 31906, 45193, 51499, 51772, 55703, 63812, 90386, 90601, 97997, 102998, 111406, 111671, 180772, 181202, 195994, 205996, 222812, 223342, 316351, 362404, 389921, 391988, 446684, 632702, 685979, 779842, 1265404, 1371958, 1559684, 1943299, 2214457, 2395229, 2729447, 2743916, 3886598, 4428914, 4790458, 4801853, 5458894, 7773196, 8857828, 9580916, 9603706, 10917788, 13603093, 16766603, 19207412, 27206186, 33533206, 54412372, 67066412, 95221651, 102994847, 117366221, 190443302, 205989694, 234732442, 380886604, 411979388, 469464884, 720963929, 1441927858, 2883855716, 5046747503, 10093495006, 20186990012]

約数ペア:

[(1, 20186990012), (2, 10093495006), (4, 5046747503), (7, 2883855716), (14, 1441927858), (28, 720963929), (43, 469464884), (49, 411979388), (53, 380886604), (86, 234732442), (98, 205989694), (106, 190443302), (172, 117366221), (196, 102994847), (212, 95221651), (301, 67066412), (371, 54412372), (602, 33533206), (742, 27206186), (1051, 19207412), (1204, 16766603), (1484, 13603093), (1849, 10917788), (2102, 9603706), (2107, 9580916), (2279, 8857828), (2597, 7773196), (3698, 5458894), (4204, 4801853), (4214, 4790458), (4558, 4428914), (5194, 3886598), (7357, 2743916), (7396, 2729447), (8428, 2395229), (9116, 2214457), (10388, 1943299), (12943, 1559684), (14714, 1371958), (15953, 1265404), (25886, 779842), (29428, 685979), (31906, 632702), (45193, 446684), (51499, 391988), (51772, 389921), (55703, 362404), (63812, 316351), (90386, 223342), (90601, 222812), (97997, 205996), (102998, 195994), (111406, 181202), (111671, 180772)]