20391070

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{7873}}^1$

素因数の和:7924

約数の個数: 32

約数和(自身を含む): 43086528

約数和(自身を除く): 22695458

約数列:

[1, 2, 5, 7, 10, 14, 35, 37, 70, 74, 185, 259, 370, 518, 1295, 2590, 7873, 15746, 39365, 55111, 78730, 110222, 275555, 291301, 551110, 582602, 1456505, 2039107, 2913010, 4078214, 10195535, 20391070]

約数ペア:

[(1, 20391070), (2, 10195535), (5, 4078214), (7, 2913010), (10, 2039107), (14, 1456505), (35, 582602), (37, 551110), (70, 291301), (74, 275555), (185, 110222), (259, 78730), (370, 55111), (518, 39365), (1295, 15746), (2590, 7873)]