20499681258

素因数分解:

$2^1\times 3^3\times 7^2\times {\mathrm{7747423}}^1$

素因数の和:7747448

約数の個数: 48

約数和(自身を含む): 52992380160

約数和(自身を除く): 32492698902

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 49, 54, 63, 98, 126, 147, 189, 294, 378, 441, 882, 1323, 2646, 7747423, 15494846, 23242269, 46484538, 54231961, 69726807, 108463922, 139453614, 162695883, 209180421, 325391766, 379623727, 418360842, 488087649, 759247454, 976175298, 1138871181, 1464262947, 2277742362, 2928525894, 3416613543, 6833227086, 10249840629, 20499681258]

約数ペア:

[(1, 20499681258), (2, 10249840629), (3, 6833227086), (6, 3416613543), (7, 2928525894), (9, 2277742362), (14, 1464262947), (18, 1138871181), (21, 976175298), (27, 759247454), (42, 488087649), (49, 418360842), (54, 379623727), (63, 325391766), (98, 209180421), (126, 162695883), (147, 139453614), (189, 108463922), (294, 69726807), (378, 54231961), (441, 46484538), (882, 23242269), (1323, 15494846), (2646, 7747423)]