20248235

素因数分解:

$5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{19949}}^1$

素因数の和:19990

約数の個数: 16

約数和(自身を含む): 28728000

約数和(自身を除く): 8479765

約数列:

[1, 5, 7, 29, 35, 145, 203, 1015, 19949, 99745, 139643, 578521, 698215, 2892605, 4049647, 20248235]

約数ペア:

[(1, 20248235), (5, 4049647), (7, 2892605), (29, 698215), (35, 578521), (145, 139643), (203, 99745), (1015, 19949)]