20907076

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{2347}}^1$

素因数の和:2499

約数の個数: 24

約数和(自身を含む): 39051936

約数和(自身を除く): 18144860

約数列:

[1, 2, 4, 17, 34, 68, 131, 262, 524, 2227, 2347, 4454, 4694, 8908, 9388, 39899, 79798, 159596, 307457, 614914, 1229828, 5226769, 10453538, 20907076]

約数ペア:

[(1, 20907076), (2, 10453538), (4, 5226769), (17, 1229828), (34, 614914), (68, 307457), (131, 159596), (262, 79798), (524, 39899), (2227, 9388), (2347, 8908), (4454, 4694)]