20081688

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1$

素因数の和:153

約数の個数: 128

約数和(自身を含む): 58924800

約数和(自身を除く): 38843112

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 29, 33, 43, 44, 58, 61, 66, 86, 87, 88, 116, 122, 129, 132, 172, 174, 183, 232, 244, 258, 264, 319, 344, 348, 366, 473, 488, 516, 638, 671, 696, 732, 946, 957, 1032, 1247, 1276, 1342, 1419, 1464, 1769, 1892, 1914, 2013, 2494, 2552, 2623, 2684, 2838, 3538, 3741, 3784, 3828, 4026, 4988, 5246, 5307, 5368, 5676, 7076, 7482, 7656, 7869, 8052, 9976, 10492, 10614, 11352, 13717, 14152, 14964, 15738, 16104, 19459, 20984, 21228, 27434, 28853, 29928, 31476, 38918, 41151, 42456, 54868, 57706, 58377, 62952, 76067, 77836, 82302, 86559, 109736, 115412, 116754, 152134, 155672, 164604, 173118, 228201, 230824, 233508, 304268, 329208, 346236, 456402, 467016, 608536, 692472, 836737, 912804, 1673474, 1825608, 2510211, 3346948, 5020422, 6693896, 10040844, 20081688]

約数ペア:

[(1, 20081688), (2, 10040844), (3, 6693896), (4, 5020422), (6, 3346948), (8, 2510211), (11, 1825608), (12, 1673474), (22, 912804), (24, 836737), (29, 692472), (33, 608536), (43, 467016), (44, 456402), (58, 346236), (61, 329208), (66, 304268), (86, 233508), (87, 230824), (88, 228201), (116, 173118), (122, 164604), (129, 155672), (132, 152134), (172, 116754), (174, 115412), (183, 109736), (232, 86559), (244, 82302), (258, 77836), (264, 76067), (319, 62952), (344, 58377), (348, 57706), (366, 54868), (473, 42456), (488, 41151), (516, 38918), (638, 31476), (671, 29928), (696, 28853), (732, 27434), (946, 21228), (957, 20984), (1032, 19459), (1247, 16104), (1276, 15738), (1342, 14964), (1419, 14152), (1464, 13717), (1769, 11352), (1892, 10614), (1914, 10492), (2013, 9976), (2494, 8052), (2552, 7869), (2623, 7656), (2684, 7482), (2838, 7076), (3538, 5676), (3741, 5368), (3784, 5307), (3828, 5246), (4026, 4988)]