20652205

素因数分解:

$5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{20347}}^1$

素因数の和:20388

約数の個数: 16

約数和(自身を含む): 29301120

約数和(自身を除く): 8648915

約数列:

[1, 5, 7, 29, 35, 145, 203, 1015, 20347, 101735, 142429, 590063, 712145, 2950315, 4130441, 20652205]

約数ペア:

[(1, 20652205), (5, 4130441), (7, 2950315), (29, 712145), (35, 590063), (145, 142429), (203, 101735), (1015, 20347)]