20005978377

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{337}}^1\times {\mathrm{36713}}^1$

素因数の和:37078

約数の個数: 48

約数和(自身を含む): 33951932352

約数和(自身を除く): 13945953975

約数列:

[1, 3, 7, 11, 21, 33, 49, 77, 147, 231, 337, 539, 1011, 1617, 2359, 3707, 7077, 11121, 16513, 25949, 36713, 49539, 77847, 110139, 181643, 256991, 403843, 544929, 770973, 1211529, 1798937, 2826901, 5396811, 8480703, 12372281, 19788307, 37116843, 59364921, 86605967, 136095091, 259817901, 408285273, 606241769, 952665637, 1818725307, 2857996911, 6668659459, 20005978377]

約数ペア:

[(1, 20005978377), (3, 6668659459), (7, 2857996911), (11, 1818725307), (21, 952665637), (33, 606241769), (49, 408285273), (77, 259817901), (147, 136095091), (231, 86605967), (337, 59364921), (539, 37116843), (1011, 19788307), (1617, 12372281), (2359, 8480703), (3707, 5396811), (7077, 2826901), (11121, 1798937), (16513, 1211529), (25949, 770973), (36713, 544929), (49539, 403843), (77847, 256991), (110139, 181643)]