20122085

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{1901}}^1$

素因数の和:2008

約数の個数: 16

約数和(自身を含む): 25334640

約数和(自身を除く): 5212555

約数列:

[1, 5, 29, 73, 145, 365, 1901, 2117, 9505, 10585, 55129, 138773, 275645, 693865, 4024417, 20122085]

約数ペア:

[(1, 20122085), (5, 4024417), (29, 693865), (73, 275645), (145, 138773), (365, 55129), (1901, 10585), (2117, 9505)]