20854022406

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{83}}^1\times {\mathrm{761}}^1\times {\mathrm{1123}}^1$

素因数の和:1986

約数の個数: 96

約数和(自身を含む): 49210374528

約数和(自身を除く): 28356352122

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 83, 98, 147, 166, 249, 294, 498, 581, 761, 1123, 1162, 1522, 1743, 2246, 2283, 3369, 3486, 4067, 4566, 5327, 6738, 7861, 8134, 10654, 12201, 15722, 15981, 23583, 24402, 31962, 37289, 47166, 55027, 63163, 74578, 93209, 110054, 111867, 126326, 165081, 186418, 189489, 223734, 279627, 330162, 378978, 442141, 559254, 652463, 854603, 884282, 1304926, 1326423, 1709206, 1957389, 2563809, 2652846, 3094987, 3914778, 4567241, 5127618, 5982221, 6189974, 9134482, 9284961, 11964442, 13701723, 17946663, 18569922, 27403446, 35893326, 41875547, 70932049, 83751094, 125626641, 141864098, 212796147, 251253282, 425592294, 496524343, 993048686, 1489573029, 2979146058, 3475670401, 6951340802, 10427011203, 20854022406]

約数ペア:

[(1, 20854022406), (2, 10427011203), (3, 6951340802), (6, 3475670401), (7, 2979146058), (14, 1489573029), (21, 993048686), (42, 496524343), (49, 425592294), (83, 251253282), (98, 212796147), (147, 141864098), (166, 125626641), (249, 83751094), (294, 70932049), (498, 41875547), (581, 35893326), (761, 27403446), (1123, 18569922), (1162, 17946663), (1522, 13701723), (1743, 11964442), (2246, 9284961), (2283, 9134482), (3369, 6189974), (3486, 5982221), (4067, 5127618), (4566, 4567241), (5327, 3914778), (6738, 3094987), (7861, 2652846), (8134, 2563809), (10654, 1957389), (12201, 1709206), (15722, 1326423), (15981, 1304926), (23583, 884282), (24402, 854603), (31962, 652463), (37289, 559254), (47166, 442141), (55027, 378978), (63163, 330162), (74578, 279627), (93209, 223734), (110054, 189489), (111867, 186418), (126326, 165081)]