20533630

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{157951}}^1$

素因数の和:157971

約数の個数: 16

約数和(自身を含む): 39803904

約数和(自身を除く): 19270274

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 157951, 315902, 789755, 1579510, 2053363, 4106726, 10266815, 20533630]

約数ペア:

[(1, 20533630), (2, 10266815), (5, 4106726), (10, 2053363), (13, 1579510), (26, 789755), (65, 315902), (130, 157951)]