20019430

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{87041}}^1$

素因数の和:87071

約数の個数: 16

約数和(自身を含む): 37602144

約数和(自身を除く): 17582714

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 87041, 174082, 435205, 870410, 2001943, 4003886, 10009715, 20019430]

約数ペア:

[(1, 20019430), (2, 10009715), (5, 4003886), (10, 2001943), (23, 870410), (46, 435205), (115, 174082), (230, 87041)]