20156216

素因数分解:

$2^3\times {\mathrm{503}}^1\times {\mathrm{5009}}^1$

素因数の和:5518

約数の個数: 16

約数和(自身を含む): 37875600

約数和(自身を除く): 17719384

約数列:

[1, 2, 4, 8, 503, 1006, 2012, 4024, 5009, 10018, 20036, 40072, 2519527, 5039054, 10078108, 20156216]

約数ペア:

[(1, 20156216), (2, 10078108), (4, 5039054), (8, 2519527), (503, 40072), (1006, 20036), (2012, 10018), (4024, 5009)]