20193655

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{1973}}^1$

素因数の和:2090

約数の個数: 16

約数和(自身を含む): 25583040

約数和(自身を除く): 5389385

約数列:

[1, 5, 23, 89, 115, 445, 1973, 2047, 9865, 10235, 45379, 175597, 226895, 877985, 4038731, 20193655]

約数ペア:

[(1, 20193655), (5, 4038731), (23, 877985), (89, 226895), (115, 175597), (445, 45379), (1973, 10235), (2047, 9865)]