20979370

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{56701}}^1$

素因数の和:56745

約数の個数: 16

約数和(自身を含む): 38784168

約数和(自身を除く): 17804798

約数列:

[1, 2, 5, 10, 37, 74, 185, 370, 56701, 113402, 283505, 567010, 2097937, 4195874, 10489685, 20979370]

約数ペア:

[(1, 20979370), (2, 10489685), (5, 4195874), (10, 2097937), (37, 567010), (74, 283505), (185, 113402), (370, 56701)]