20195502061

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{41}}^2\times {\mathrm{71}}^1\times {\mathrm{1051}}^1$

素因数の和:1234

約数の個数: 48

約数和(自身を含む): 25057327104

約数和(自身を除く): 4861825043

約数列:

[1, 7, 23, 41, 71, 161, 287, 497, 943, 1051, 1633, 1681, 2911, 6601, 7357, 11431, 11767, 20377, 24173, 38663, 43091, 66953, 74621, 119351, 169211, 270641, 301637, 468671, 522347, 835457, 991093, 1716283, 1766731, 2745073, 3059461, 6937651, 12013981, 12367117, 19215511, 21416227, 40634813, 70367603, 125437901, 284443691, 492573221, 878065307, 2885071723, 20195502061]

約数ペア:

[(1, 20195502061), (7, 2885071723), (23, 878065307), (41, 492573221), (71, 284443691), (161, 125437901), (287, 70367603), (497, 40634813), (943, 21416227), (1051, 19215511), (1633, 12367117), (1681, 12013981), (2911, 6937651), (6601, 3059461), (7357, 2745073), (11431, 1766731), (11767, 1716283), (20377, 991093), (24173, 835457), (38663, 522347), (43091, 468671), (66953, 301637), (74621, 270641), (119351, 169211)]