20804557718

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{109}}^2\times {\mathrm{227}}^1$

素因数の和:502

約数の個数: 96

約数和(自身を含む): 39368851200

約数和(自身を除く): 18564293482

約数列:

[1, 2, 7, 14, 19, 29, 38, 58, 109, 133, 203, 218, 227, 266, 406, 454, 551, 763, 1102, 1526, 1589, 2071, 3161, 3178, 3857, 4142, 4313, 6322, 6583, 7714, 8626, 11881, 13166, 14497, 22127, 23762, 24743, 28994, 30191, 44254, 46081, 49486, 60059, 60382, 83167, 92162, 120118, 125077, 166334, 173201, 225739, 250154, 344549, 346402, 420413, 451478, 470117, 689098, 717547, 840826, 875539, 940234, 1435094, 1580173, 1751078, 2411843, 2696987, 3160346, 3290819, 4823686, 5022829, 5393974, 6546431, 6581638, 10045658, 13092862, 13633393, 18878909, 27266786, 37757818, 45825017, 51242753, 78212623, 91650034, 95433751, 102485506, 156425246, 190867502, 358699271, 547488361, 717398542, 1094976722, 1486039837, 2972079674, 10402278859, 20804557718]

約数ペア:

[(1, 20804557718), (2, 10402278859), (7, 2972079674), (14, 1486039837), (19, 1094976722), (29, 717398542), (38, 547488361), (58, 358699271), (109, 190867502), (133, 156425246), (203, 102485506), (218, 95433751), (227, 91650034), (266, 78212623), (406, 51242753), (454, 45825017), (551, 37757818), (763, 27266786), (1102, 18878909), (1526, 13633393), (1589, 13092862), (2071, 10045658), (3161, 6581638), (3178, 6546431), (3857, 5393974), (4142, 5022829), (4313, 4823686), (6322, 3290819), (6583, 3160346), (7714, 2696987), (8626, 2411843), (11881, 1751078), (13166, 1580173), (14497, 1435094), (22127, 940234), (23762, 875539), (24743, 840826), (28994, 717547), (30191, 689098), (44254, 470117), (46081, 451478), (49486, 420413), (60059, 346402), (60382, 344549), (83167, 250154), (92162, 225739), (120118, 173201), (125077, 166334)]