20969968

素因数分解:

$2^4\times {\mathrm{461}}^1\times {\mathrm{2843}}^1$

素因数の和:3312

約数の個数: 20

約数和(自身を含む): 40731768

約数和(自身を除く): 19761800

約数列:

[1, 2, 4, 8, 16, 461, 922, 1844, 2843, 3688, 5686, 7376, 11372, 22744, 45488, 1310623, 2621246, 5242492, 10484984, 20969968]

約数ペア:

[(1, 20969968), (2, 10484984), (4, 5242492), (8, 2621246), (16, 1310623), (461, 45488), (922, 22744), (1844, 11372), (2843, 7376), (3688, 5686)]