20156989097

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{2851}}^1$

素因数の和:3006

約数の個数: 64

約数和(自身を含む): 26612582400

約数和(自身を除く): 6455593303

約数列:

[1, 7, 17, 19, 53, 59, 119, 133, 323, 371, 413, 901, 1003, 1007, 1121, 2261, 2851, 3127, 6307, 7021, 7049, 7847, 17119, 19057, 19957, 21889, 48467, 53159, 54169, 59413, 119833, 133399, 151103, 168209, 339269, 372113, 379183, 415891, 920873, 1010021, 1057721, 1177463, 2568751, 2859553, 2870957, 3195971, 6446111, 7070147, 8915077, 17981257, 20016871, 20096699, 22371797, 48806269, 54331507, 62405539, 151556309, 169386463, 341643883, 380320549, 1060894163, 1185705241, 2879569871, 20156989097]

約数ペア:

[(1, 20156989097), (7, 2879569871), (17, 1185705241), (19, 1060894163), (53, 380320549), (59, 341643883), (119, 169386463), (133, 151556309), (323, 62405539), (371, 54331507), (413, 48806269), (901, 22371797), (1003, 20096699), (1007, 20016871), (1121, 17981257), (2261, 8915077), (2851, 7070147), (3127, 6446111), (6307, 3195971), (7021, 2870957), (7049, 2859553), (7847, 2568751), (17119, 1177463), (19057, 1057721), (19957, 1010021), (21889, 920873), (48467, 415891), (53159, 379183), (54169, 372113), (59413, 339269), (119833, 168209), (133399, 151103)]