20159336

素因数分解:

$2^3\times {\mathrm{643}}^1\times {\mathrm{3919}}^1$

素因数の和:4568

約数の個数: 16

約数和(自身を含む): 37867200

約数和(自身を除く): 17707864

約数列:

[1, 2, 4, 8, 643, 1286, 2572, 3919, 5144, 7838, 15676, 31352, 2519917, 5039834, 10079668, 20159336]

約数ペア:

[(1, 20159336), (2, 10079668), (4, 5039834), (8, 2519917), (643, 31352), (1286, 15676), (2572, 7838), (3919, 5144)]