20657222

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{11489}}^1$

素因数の和:11551

約数の個数: 16

約数和(自身を含む): 33091200

約数和(自身を除く): 12433978

約数列:

[1, 2, 29, 31, 58, 62, 899, 1798, 11489, 22978, 333181, 356159, 666362, 712318, 10328611, 20657222]

約数ペア:

[(1, 20657222), (2, 10328611), (29, 712318), (31, 666362), (58, 356159), (62, 333181), (899, 22978), (1798, 11489)]