20819670

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{693989}}^1$

素因数の和:693999

約数の個数: 16

約数和(自身を含む): 49967280

約数和(自身を除く): 29147610

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 693989, 1387978, 2081967, 3469945, 4163934, 6939890, 10409835, 20819670]

約数ペア:

[(1, 20819670), (2, 10409835), (3, 6939890), (5, 4163934), (6, 3469945), (10, 2081967), (15, 1387978), (30, 693989)]