20062735

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^2$

素因数の和:136

約数の個数: 48

約数和(自身を含む): 31758336

約数和(自身を除く): 11695601

約数列:

[1, 5, 7, 11, 31, 35, 41, 55, 77, 155, 205, 217, 287, 341, 385, 451, 1085, 1271, 1435, 1681, 1705, 2255, 2387, 3157, 6355, 8405, 8897, 11767, 11935, 13981, 15785, 18491, 44485, 52111, 58835, 69905, 92455, 97867, 129437, 260555, 364777, 489335, 573221, 647185, 1823885, 2866105, 4012547, 20062735]

約数ペア:

[(1, 20062735), (5, 4012547), (7, 2866105), (11, 1823885), (31, 647185), (35, 573221), (41, 489335), (55, 364777), (77, 260555), (155, 129437), (205, 97867), (217, 92455), (287, 69905), (341, 58835), (385, 52111), (451, 44485), (1085, 18491), (1271, 15785), (1435, 13981), (1681, 11935), (1705, 11767), (2255, 8897), (2387, 8405), (3157, 6355)]