20278764

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{1249}}^1$

素因数の和:1311

約数の個数: 72

約数和(自身を含む): 57330000

約数和(自身を除く): 37051236

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 41, 44, 66, 82, 99, 123, 132, 164, 198, 246, 369, 396, 451, 492, 738, 902, 1249, 1353, 1476, 1804, 2498, 2706, 3747, 4059, 4996, 5412, 7494, 8118, 11241, 13739, 14988, 16236, 22482, 27478, 41217, 44964, 51209, 54956, 82434, 102418, 123651, 153627, 164868, 204836, 247302, 307254, 460881, 494604, 563299, 614508, 921762, 1126598, 1689897, 1843524, 2253196, 3379794, 5069691, 6759588, 10139382, 20278764]

約数ペア:

[(1, 20278764), (2, 10139382), (3, 6759588), (4, 5069691), (6, 3379794), (9, 2253196), (11, 1843524), (12, 1689897), (18, 1126598), (22, 921762), (33, 614508), (36, 563299), (41, 494604), (44, 460881), (66, 307254), (82, 247302), (99, 204836), (123, 164868), (132, 153627), (164, 123651), (198, 102418), (246, 82434), (369, 54956), (396, 51209), (451, 44964), (492, 41217), (738, 27478), (902, 22482), (1249, 16236), (1353, 14988), (1476, 13739), (1804, 11241), (2498, 8118), (2706, 7494), (3747, 5412), (4059, 4996)]