20961016

素因数分解:

$2^3\times {\mathrm{503}}^1\times {\mathrm{5209}}^1$

素因数の和:5718

約数の個数: 16

約数和(自身を含む): 39387600

約数和(自身を除く): 18426584

約数列:

[1, 2, 4, 8, 503, 1006, 2012, 4024, 5209, 10418, 20836, 41672, 2620127, 5240254, 10480508, 20961016]

約数ペア:

[(1, 20961016), (2, 10480508), (4, 5240254), (8, 2620127), (503, 41672), (1006, 20836), (2012, 10418), (4024, 5209)]