20088340

素因数分解:

$2^2\times 5^1\times {\mathrm{313}}^1\times {\mathrm{3209}}^1$

素因数の和:3531

約数の個数: 24

約数和(自身を含む): 42333480

約数和(自身を除く): 22245140

約数列:

[1, 2, 4, 5, 10, 20, 313, 626, 1252, 1565, 3130, 3209, 6260, 6418, 12836, 16045, 32090, 64180, 1004417, 2008834, 4017668, 5022085, 10044170, 20088340]

約数ペア:

[(1, 20088340), (2, 10044170), (4, 5022085), (5, 4017668), (10, 2008834), (20, 1004417), (313, 64180), (626, 32090), (1252, 16045), (1565, 12836), (3130, 6418), (3209, 6260)]