20131121478

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^2\times {\mathrm{1019}}^1\times {\mathrm{19483}}^1$

素因数の和:20533

約数の個数: 48

約数和(自身を含む): 43642601280

約数和(自身を除く): 23511479802

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 169, 338, 507, 1014, 1019, 2038, 3057, 6114, 13247, 19483, 26494, 38966, 39741, 58449, 79482, 116898, 172211, 253279, 344422, 506558, 516633, 759837, 1033266, 1519674, 3292627, 6585254, 9877881, 19755762, 19853177, 39706354, 59559531, 119119062, 258091301, 516182602, 774273903, 1548547806, 3355186913, 6710373826, 10065560739, 20131121478]

約数ペア:

[(1, 20131121478), (2, 10065560739), (3, 6710373826), (6, 3355186913), (13, 1548547806), (26, 774273903), (39, 516182602), (78, 258091301), (169, 119119062), (338, 59559531), (507, 39706354), (1014, 19853177), (1019, 19755762), (2038, 9877881), (3057, 6585254), (6114, 3292627), (13247, 1519674), (19483, 1033266), (26494, 759837), (38966, 516633), (39741, 506558), (58449, 344422), (79482, 253279), (116898, 172211)]