20180855288

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{313}}^1\times {\mathrm{1549}}^1$

素因数の和:1933

約数の個数: 96

約数和(自身を含む): 42722526000

約数和(自身を除く): 22541670712

約数列:

[1, 2, 4, 8, 11, 22, 43, 44, 86, 88, 121, 172, 242, 313, 344, 473, 484, 626, 946, 968, 1252, 1549, 1892, 2504, 3098, 3443, 3784, 5203, 6196, 6886, 10406, 12392, 13459, 13772, 17039, 20812, 26918, 27544, 34078, 37873, 41624, 53836, 66607, 68156, 75746, 107672, 133214, 136312, 148049, 151492, 187429, 266428, 296098, 302984, 374858, 484837, 532856, 592196, 732677, 749716, 969674, 1184392, 1465354, 1499432, 1628539, 1939348, 2930708, 3257078, 3878696, 5333207, 5861416, 6514156, 8059447, 10666414, 13028312, 16118894, 20847991, 21332828, 32237788, 41695982, 42665656, 58665277, 64475576, 83391964, 117330554, 166783928, 229327901, 234661108, 458655802, 469322216, 917311604, 1834623208, 2522606911, 5045213822, 10090427644, 20180855288]

約数ペア:

[(1, 20180855288), (2, 10090427644), (4, 5045213822), (8, 2522606911), (11, 1834623208), (22, 917311604), (43, 469322216), (44, 458655802), (86, 234661108), (88, 229327901), (121, 166783928), (172, 117330554), (242, 83391964), (313, 64475576), (344, 58665277), (473, 42665656), (484, 41695982), (626, 32237788), (946, 21332828), (968, 20847991), (1252, 16118894), (1549, 13028312), (1892, 10666414), (2504, 8059447), (3098, 6514156), (3443, 5861416), (3784, 5333207), (5203, 3878696), (6196, 3257078), (6886, 2930708), (10406, 1939348), (12392, 1628539), (13459, 1499432), (13772, 1465354), (17039, 1184392), (20812, 969674), (26918, 749716), (27544, 732677), (34078, 592196), (37873, 532856), (41624, 484837), (53836, 374858), (66607, 302984), (68156, 296098), (75746, 266428), (107672, 187429), (133214, 151492), (136312, 148049)]