20491044

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{347}}^1$

素因数の和:417

約数の個数: 96

約数和(自身を含む): 59243520

約数和(自身を除く): 38752476

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 19, 21, 28, 37, 38, 42, 57, 74, 76, 84, 111, 114, 133, 148, 222, 228, 259, 266, 347, 399, 444, 518, 532, 694, 703, 777, 798, 1036, 1041, 1388, 1406, 1554, 1596, 2082, 2109, 2429, 2812, 3108, 4164, 4218, 4858, 4921, 6593, 7287, 8436, 9716, 9842, 12839, 13186, 14574, 14763, 19684, 19779, 25678, 26372, 29148, 29526, 38517, 39558, 46151, 51356, 59052, 77034, 79116, 89873, 92302, 138453, 154068, 179746, 184604, 243941, 269619, 276906, 359492, 487882, 539238, 553812, 731823, 975764, 1078476, 1463646, 1707587, 2927292, 3415174, 5122761, 6830348, 10245522, 20491044]

約数ペア:

[(1, 20491044), (2, 10245522), (3, 6830348), (4, 5122761), (6, 3415174), (7, 2927292), (12, 1707587), (14, 1463646), (19, 1078476), (21, 975764), (28, 731823), (37, 553812), (38, 539238), (42, 487882), (57, 359492), (74, 276906), (76, 269619), (84, 243941), (111, 184604), (114, 179746), (133, 154068), (148, 138453), (222, 92302), (228, 89873), (259, 79116), (266, 77034), (347, 59052), (399, 51356), (444, 46151), (518, 39558), (532, 38517), (694, 29526), (703, 29148), (777, 26372), (798, 25678), (1036, 19779), (1041, 19684), (1388, 14763), (1406, 14574), (1554, 13186), (1596, 12839), (2082, 9842), (2109, 9716), (2429, 8436), (2812, 7287), (3108, 6593), (4164, 4921), (4218, 4858)]