20385170

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{233}}^1\times {\mathrm{673}}^1$

素因数の和:926

約数の個数: 32

約数和(自身を含む): 39744432

約数和(自身を除く): 19359262

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 233, 466, 673, 1165, 1346, 2330, 3029, 3365, 6058, 6730, 8749, 15145, 17498, 30290, 43745, 87490, 156809, 313618, 784045, 1568090, 2038517, 4077034, 10192585, 20385170]

約数ペア:

[(1, 20385170), (2, 10192585), (5, 4077034), (10, 2038517), (13, 1568090), (26, 784045), (65, 313618), (130, 156809), (233, 87490), (466, 43745), (673, 30290), (1165, 17498), (1346, 15145), (2330, 8749), (3029, 6730), (3365, 6058)]