20907830

素因数分解:

$2^1\times 5^1\times {\mathrm{59}}^1\times {\mathrm{35437}}^1$

素因数の和:35503

約数の個数: 16

約数和(自身を含む): 38273040

約数和(自身を除く): 17365210

約数列:

[1, 2, 5, 10, 59, 118, 295, 590, 35437, 70874, 177185, 354370, 2090783, 4181566, 10453915, 20907830]

約数ペア:

[(1, 20907830), (2, 10453915), (5, 4181566), (10, 2090783), (59, 354370), (118, 177185), (295, 70874), (590, 35437)]