16726420

素因数分解:

$2^2\times 5^1\times {\mathrm{269}}^1\times {\mathrm{3109}}^1$

素因数の和:3387

約数の個数: 24

約数和(自身を含む): 35267400

約数和(自身を除く): 18540980

約数列:

[1, 2, 4, 5, 10, 20, 269, 538, 1076, 1345, 2690, 3109, 5380, 6218, 12436, 15545, 31090, 62180, 836321, 1672642, 3345284, 4181605, 8363210, 16726420]

約数ペア:

[(1, 16726420), (2, 8363210), (4, 4181605), (5, 3345284), (10, 1672642), (20, 836321), (269, 62180), (538, 31090), (1076, 15545), (1345, 12436), (2690, 6218), (3109, 5380)]