20257316

素因数分解:

$2^2\times {\mathrm{67}}^1\times {\mathrm{131}}^1\times {\mathrm{577}}^1$

素因数の和:779

約数の個数: 24

約数和(自身を含む): 36316896

約数和(自身を除く): 16059580

約数列:

[1, 2, 4, 67, 131, 134, 262, 268, 524, 577, 1154, 2308, 8777, 17554, 35108, 38659, 75587, 77318, 151174, 154636, 302348, 5064329, 10128658, 20257316]

約数ペア:

[(1, 20257316), (2, 10128658), (4, 5064329), (67, 302348), (131, 154636), (134, 151174), (262, 77318), (268, 75587), (524, 38659), (577, 35108), (1154, 17554), (2308, 8777)]