20485745

素因数分解:

$5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{20183}}^1$

素因数の和:20224

約数の個数: 16

約数和(自身を含む): 29064960

約数和(自身を除く): 8579215

約数列:

[1, 5, 7, 29, 35, 145, 203, 1015, 20183, 100915, 141281, 585307, 706405, 2926535, 4097149, 20485745]

約数ペア:

[(1, 20485745), (5, 4097149), (7, 2926535), (29, 706405), (35, 585307), (145, 141281), (203, 100915), (1015, 20183)]