20757212

素因数分解:

$2^2\times 7^1\times {\mathrm{131}}^1\times {\mathrm{5659}}^1$

素因数の和:5801

約数の個数: 24

約数和(自身を含む): 41838720

約数和(自身を除く): 21081508

約数列:

[1, 2, 4, 7, 14, 28, 131, 262, 524, 917, 1834, 3668, 5659, 11318, 22636, 39613, 79226, 158452, 741329, 1482658, 2965316, 5189303, 10378606, 20757212]

約数ペア:

[(1, 20757212), (2, 10378606), (4, 5189303), (7, 2965316), (14, 1482658), (28, 741329), (131, 158452), (262, 79226), (524, 39613), (917, 22636), (1834, 11318), (3668, 5659)]