20123261788

素因数分解:

$2^2\times 7^2\times {\mathrm{307}}^1\times {\mathrm{334429}}^1$

素因数の和:334754

約数の個数: 36

約数和(自身を含む): 41098771560

約数和(自身を除く): 20975509772

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 307, 614, 1228, 2149, 4298, 8596, 15043, 30086, 60172, 334429, 668858, 1337716, 2341003, 4682006, 9364012, 16387021, 32774042, 65548084, 102669703, 205339406, 410678812, 718687921, 1437375842, 2874751684, 5030815447, 10061630894, 20123261788]

約数ペア:

[(1, 20123261788), (2, 10061630894), (4, 5030815447), (7, 2874751684), (14, 1437375842), (28, 718687921), (49, 410678812), (98, 205339406), (196, 102669703), (307, 65548084), (614, 32774042), (1228, 16387021), (2149, 9364012), (4298, 4682006), (8596, 2341003), (15043, 1337716), (30086, 668858), (60172, 334429)]