20806770

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{397}}^1\times {\mathrm{1747}}^1$

素因数の和:2154

約数の個数: 32

約数和(自身を含む): 50090688

約数和(自身を除く): 29283918

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 397, 794, 1191, 1747, 1985, 2382, 3494, 3970, 5241, 5955, 8735, 10482, 11910, 17470, 26205, 52410, 693559, 1387118, 2080677, 3467795, 4161354, 6935590, 10403385, 20806770]

約数ペア:

[(1, 20806770), (2, 10403385), (3, 6935590), (5, 4161354), (6, 3467795), (10, 2080677), (15, 1387118), (30, 693559), (397, 52410), (794, 26205), (1191, 17470), (1747, 11910), (1985, 10482), (2382, 8735), (3494, 5955), (3970, 5241)]