20966072

素因数分解:

$2^3\times {\mathrm{29}}^1\times {\mathrm{90371}}^1$

素因数の和:90406

約数の個数: 16

約数和(自身を含む): 40667400

約数和(自身を除く): 19701328

約数列:

[1, 2, 4, 8, 29, 58, 116, 232, 90371, 180742, 361484, 722968, 2620759, 5241518, 10483036, 20966072]

約数ペア:

[(1, 20966072), (2, 10483036), (4, 5241518), (8, 2620759), (29, 722968), (58, 361484), (116, 180742), (232, 90371)]