20769707

素因数分解:

$7^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1\times {\mathrm{383}}^1$

素因数の和:578

約数の個数: 16

約数和(自身を含む): 24379392

約数和(自身を除く): 3609685

約数列:

[1, 7, 61, 127, 383, 427, 889, 2681, 7747, 23363, 48641, 54229, 163541, 340487, 2967101, 20769707]

約数ペア:

[(1, 20769707), (7, 2967101), (61, 340487), (127, 163541), (383, 54229), (427, 48641), (889, 23363), (2681, 7747)]