20142278828

素因数分解:

$2^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{215573}}^1$

素因数の和:215702

約数の個数: 48

約数和(自身を含む): 41721329664

約数和(自身を除く): 21579050836

約数列:

[1, 2, 4, 7, 14, 28, 47, 71, 94, 142, 188, 284, 329, 497, 658, 994, 1316, 1988, 3337, 6674, 13348, 23359, 46718, 93436, 215573, 431146, 862292, 1509011, 3018022, 6036044, 10131931, 15305683, 20263862, 30611366, 40527724, 61222732, 70923517, 107139781, 141847034, 214279562, 283694068, 428559124, 719367101, 1438734202, 2877468404, 5035569707, 10071139414, 20142278828]

約数ペア:

[(1, 20142278828), (2, 10071139414), (4, 5035569707), (7, 2877468404), (14, 1438734202), (28, 719367101), (47, 428559124), (71, 283694068), (94, 214279562), (142, 141847034), (188, 107139781), (284, 70923517), (329, 61222732), (497, 40527724), (658, 30611366), (994, 20263862), (1316, 15305683), (1988, 10131931), (3337, 6036044), (6674, 3018022), (13348, 1509011), (23359, 862292), (46718, 431146), (93436, 215573)]