20424642

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{409}}^1$

素因数の和:491

約数の個数: 64

約数和(自身を含む): 49593600

約数和(自身を除く): 29168958

約数列:

[1, 2, 3, 6, 7, 14, 21, 29, 41, 42, 58, 82, 87, 123, 174, 203, 246, 287, 406, 409, 574, 609, 818, 861, 1189, 1218, 1227, 1722, 2378, 2454, 2863, 3567, 5726, 7134, 8323, 8589, 11861, 16646, 16769, 17178, 23722, 24969, 33538, 35583, 49938, 50307, 71166, 83027, 100614, 117383, 166054, 234766, 249081, 352149, 486301, 498162, 704298, 972602, 1458903, 2917806, 3404107, 6808214, 10212321, 20424642]

約数ペア:

[(1, 20424642), (2, 10212321), (3, 6808214), (6, 3404107), (7, 2917806), (14, 1458903), (21, 972602), (29, 704298), (41, 498162), (42, 486301), (58, 352149), (82, 249081), (87, 234766), (123, 166054), (174, 117383), (203, 100614), (246, 83027), (287, 71166), (406, 50307), (409, 49938), (574, 35583), (609, 33538), (818, 24969), (861, 23722), (1189, 17178), (1218, 16769), (1227, 16646), (1722, 11861), (2378, 8589), (2454, 8323), (2863, 7134), (3567, 5726)]