20996949908

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{1277}}^1\times {\mathrm{3307}}^1$

素因数の和:4712

約数の個数: 48

約数和(自身を含む): 40483727424

約数和(自身を除く): 19486777516

約数列:

[1, 2, 4, 11, 22, 44, 113, 226, 452, 1243, 1277, 2486, 2554, 3307, 4972, 5108, 6614, 13228, 14047, 28094, 36377, 56188, 72754, 144301, 145508, 288602, 373691, 577204, 747382, 1494764, 1587311, 3174622, 4110601, 4223039, 6349244, 8221202, 8446078, 16442404, 16892156, 46453429, 92906858, 185813716, 477203407, 954406814, 1908813628, 5249237477, 10498474954, 20996949908]

約数ペア:

[(1, 20996949908), (2, 10498474954), (4, 5249237477), (11, 1908813628), (22, 954406814), (44, 477203407), (113, 185813716), (226, 92906858), (452, 46453429), (1243, 16892156), (1277, 16442404), (2486, 8446078), (2554, 8221202), (3307, 6349244), (4972, 4223039), (5108, 4110601), (6614, 3174622), (13228, 1587311), (14047, 1494764), (28094, 747382), (36377, 577204), (56188, 373691), (72754, 288602), (144301, 145508)]