20124654865

素因数分解:

$5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{18548069}}^1$

素因数の和:18548112

約数の個数: 16

約数和(自身を含む): 28489835520

約数和(自身を除く): 8365180655

約数列:

[1, 5, 7, 31, 35, 155, 217, 1085, 18548069, 92740345, 129836483, 574990139, 649182415, 2874950695, 4024930973, 20124654865]

約数ペア:

[(1, 20124654865), (5, 4024930973), (7, 2874950695), (31, 649182415), (35, 574990139), (155, 129836483), (217, 92740345), (1085, 18548069)]