20163983405

素因数分解:

$5^1\times {\mathrm{61}}^1\times {\mathrm{66111421}}^1$

素因数の和:66111487

約数の個数: 8

約数和(自身を含む): 24593448984

約数和(自身を除く): 4429465579

約数列:

[1, 5, 61, 305, 66111421, 330557105, 4032796681, 20163983405]

約数ペア:

[(1, 20163983405), (5, 4032796681), (61, 330557105), (305, 66111421)]