20550738

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^3\times {\mathrm{1559}}^1$

素因数の和:1603

約数の個数: 32

約数和(自身を含む): 44553600

約数和(自身を除く): 24002862

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 169, 338, 507, 1014, 1559, 2197, 3118, 4394, 4677, 6591, 9354, 13182, 20267, 40534, 60801, 121602, 263471, 526942, 790413, 1580826, 3425123, 6850246, 10275369, 20550738]

約数ペア:

[(1, 20550738), (2, 10275369), (3, 6850246), (6, 3425123), (13, 1580826), (26, 790413), (39, 526942), (78, 263471), (169, 121602), (338, 60801), (507, 40534), (1014, 20267), (1559, 13182), (2197, 9354), (3118, 6591), (4394, 4677)]