30420978

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{724309}}^1$

素因数の和:724321

約数の個数: 16

約数和(自身を含む): 69533760

約数和(自身を除く): 39112782

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 724309, 1448618, 2172927, 4345854, 5070163, 10140326, 15210489, 30420978]

約数ペア:

[(1, 30420978), (2, 15210489), (3, 10140326), (6, 5070163), (7, 4345854), (14, 2172927), (21, 1448618), (42, 724309)]