20245555

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{367}}^1$

素因数の和:459

約数の個数: 32

約数和(自身を含む): 28615680

約数和(自身を除く): 8370125

約数列:

[1, 5, 11, 17, 55, 59, 85, 187, 295, 367, 649, 935, 1003, 1835, 3245, 4037, 5015, 6239, 11033, 20185, 21653, 31195, 55165, 68629, 108265, 238183, 343145, 368101, 1190915, 1840505, 4049111, 20245555]

約数ペア:

[(1, 20245555), (5, 4049111), (11, 1840505), (17, 1190915), (55, 368101), (59, 343145), (85, 238183), (187, 108265), (295, 68629), (367, 55165), (649, 31195), (935, 21653), (1003, 20185), (1835, 11033), (3245, 6239), (4037, 5015)]