20516137023

素因数分解:

$3^1\times {\mathrm{79}}^1\times {\mathrm{131}}^1\times {\mathrm{660809}}^1$

素因数の和:661022

約数の個数: 16

約数和(自身を含む): 27912614400

約数和(自身を除く): 7396477377

約数列:

[1, 3, 79, 131, 237, 393, 10349, 31047, 660809, 1982427, 52203911, 86565979, 156611733, 259697937, 6838712341, 20516137023]

約数ペア:

[(1, 20516137023), (3, 6838712341), (79, 259697937), (131, 156611733), (237, 86565979), (393, 52203911), (10349, 1982427), (31047, 660809)]