20842677

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{467}}^1$

素因数の和:527

約数の個数: 40

約数和(自身を含む): 33976800

約数和(自身を除く): 13134123

約数列:

[1, 3, 9, 19, 27, 29, 57, 81, 87, 171, 261, 467, 513, 551, 783, 1401, 1539, 1653, 2349, 4203, 4959, 8873, 12609, 13543, 14877, 26619, 37827, 40629, 44631, 79857, 121887, 239571, 257317, 365661, 718713, 771951, 1096983, 2315853, 6947559, 20842677]

約数ペア:

[(1, 20842677), (3, 6947559), (9, 2315853), (19, 1096983), (27, 771951), (29, 718713), (57, 365661), (81, 257317), (87, 239571), (171, 121887), (261, 79857), (467, 44631), (513, 40629), (551, 37827), (783, 26619), (1401, 14877), (1539, 13543), (1653, 12609), (2349, 8873), (4203, 4959)]