20876090

素因数分解:

$2^1\times 5^1\times {\mathrm{197}}^1\times {\mathrm{10597}}^1$

素因数の和:10801

約数の個数: 16

約数和(自身を含む): 37771272

約数和(自身を除く): 16895182

約数列:

[1, 2, 5, 10, 197, 394, 985, 1970, 10597, 21194, 52985, 105970, 2087609, 4175218, 10438045, 20876090]

約数ペア:

[(1, 20876090), (2, 10438045), (5, 4175218), (10, 2087609), (197, 105970), (394, 52985), (985, 21194), (1970, 10597)]