20486307

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{367}}^1\times {\mathrm{809}}^1$

素因数の和:1202

約数の個数: 16

約数和(自身を含む): 28615680

約数和(自身を除く): 8129373

約数列:

[1, 3, 23, 69, 367, 809, 1101, 2427, 8441, 18607, 25323, 55821, 296903, 890709, 6828769, 20486307]

約数ペア:

[(1, 20486307), (3, 6828769), (23, 890709), (69, 296903), (367, 55821), (809, 25323), (1101, 18607), (2427, 8441)]