20520670

素因数分解:

$2^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{43661}}^1$

素因数の和:43715

約数の個数: 16

約数和(自身を含む): 37723968

約数和(自身を除く): 17203298

約数列:

[1, 2, 5, 10, 47, 94, 235, 470, 43661, 87322, 218305, 436610, 2052067, 4104134, 10260335, 20520670]

約数ペア:

[(1, 20520670), (2, 10260335), (5, 4104134), (10, 2052067), (47, 436610), (94, 218305), (235, 87322), (470, 43661)]