20837222791

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{83}}^1\times {\mathrm{227}}^1\times {\mathrm{271}}^1$

素因数の和:652

約数の個数: 64

約数和(自身を含む): 27005239296

約数和(自身を除く): 6168016505

約数列:

[1, 7, 11, 53, 77, 83, 227, 271, 371, 581, 583, 913, 1589, 1897, 2497, 2981, 4081, 4399, 6391, 12031, 14363, 17479, 18841, 20867, 22493, 30793, 48389, 61517, 84217, 100541, 131887, 132341, 157451, 157993, 207251, 247423, 338723, 430619, 676687, 926387, 998573, 1105951, 1192129, 1450757, 1731961, 3260401, 4736809, 5105911, 6990011, 8344903, 10984303, 13113419, 22822807, 35741377, 35864411, 56165021, 76890121, 91793933, 251050877, 270613283, 393155147, 1894292981, 2976746113, 20837222791]

約数ペア:

[(1, 20837222791), (7, 2976746113), (11, 1894292981), (53, 393155147), (77, 270613283), (83, 251050877), (227, 91793933), (271, 76890121), (371, 56165021), (581, 35864411), (583, 35741377), (913, 22822807), (1589, 13113419), (1897, 10984303), (2497, 8344903), (2981, 6990011), (4081, 5105911), (4399, 4736809), (6391, 3260401), (12031, 1731961), (14363, 1450757), (17479, 1192129), (18841, 1105951), (20867, 998573), (22493, 926387), (30793, 676687), (48389, 430619), (61517, 338723), (84217, 247423), (100541, 207251), (131887, 157993), (132341, 157451)]