20354190

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{397}}^1\times {\mathrm{1709}}^1$

素因数の和:2116

約数の個数: 32

約数和(自身を含む): 49001760

約数和(自身を除く): 28647570

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 397, 794, 1191, 1709, 1985, 2382, 3418, 3970, 5127, 5955, 8545, 10254, 11910, 17090, 25635, 51270, 678473, 1356946, 2035419, 3392365, 4070838, 6784730, 10177095, 20354190]

約数ペア:

[(1, 20354190), (2, 10177095), (3, 6784730), (5, 4070838), (6, 3392365), (10, 2035419), (15, 1356946), (30, 678473), (397, 51270), (794, 25635), (1191, 17090), (1709, 11910), (1985, 10254), (2382, 8545), (3418, 5955), (3970, 5127)]