20734270

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{90149}}^1$

素因数の和:90179

約数の個数: 16

約数和(自身を含む): 38944800

約数和(自身を除く): 18210530

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 90149, 180298, 450745, 901490, 2073427, 4146854, 10367135, 20734270]

約数ペア:

[(1, 20734270), (2, 10367135), (5, 4146854), (10, 2073427), (23, 901490), (46, 450745), (115, 180298), (230, 90149)]