20670796671

素因数分解:

$3^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{149}}^1\times {\mathrm{211}}^1\times {\mathrm{239}}^1$

素因数の和:740

約数の個数: 64

約数和(自身を含む): 32237568000

約数和(自身を除く): 11566771329

約数列:

[1, 3, 7, 21, 131, 149, 211, 239, 393, 447, 633, 717, 917, 1043, 1477, 1673, 2751, 3129, 4431, 5019, 19519, 27641, 31309, 31439, 35611, 50429, 58557, 82923, 93927, 94317, 106833, 136633, 151287, 193487, 219163, 220073, 249277, 353003, 409899, 580461, 657489, 660219, 747831, 1059009, 4118509, 4665041, 6606199, 7513921, 12355527, 13995123, 19818597, 22541763, 28829563, 32655287, 46243393, 52597447, 86488689, 97965861, 138730179, 157792341, 984323651, 2952970953, 6890265557, 20670796671]

約数ペア:

[(1, 20670796671), (3, 6890265557), (7, 2952970953), (21, 984323651), (131, 157792341), (149, 138730179), (211, 97965861), (239, 86488689), (393, 52597447), (447, 46243393), (633, 32655287), (717, 28829563), (917, 22541763), (1043, 19818597), (1477, 13995123), (1673, 12355527), (2751, 7513921), (3129, 6606199), (4431, 4665041), (5019, 4118509), (19519, 1059009), (27641, 747831), (31309, 660219), (31439, 657489), (35611, 580461), (50429, 409899), (58557, 353003), (82923, 249277), (93927, 220073), (94317, 219163), (106833, 193487), (136633, 151287)]