20702943

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{62171}}^1$

素因数の和:62214

約数の個数: 12

約数和(自身を含む): 30712968

約数和(自身を除く): 10010025

約数列:

[1, 3, 9, 37, 111, 333, 62171, 186513, 559539, 2300327, 6900981, 20702943]

約数ペア:

[(1, 20702943), (3, 6900981), (9, 2300327), (37, 559539), (111, 186513), (333, 62171)]