20907944

素因数分解:

$2^3\times {\mathrm{109}}^1\times {\mathrm{23977}}^1$

素因数の和:24092

約数の個数: 16

約数和(自身を含む): 39563700

約数和(自身を除く): 18655756

約数列:

[1, 2, 4, 8, 109, 218, 436, 872, 23977, 47954, 95908, 191816, 2613493, 5226986, 10453972, 20907944]

約数ペア:

[(1, 20907944), (2, 10453972), (4, 5226986), (8, 2613493), (109, 191816), (218, 95908), (436, 47954), (872, 23977)]