20790612

素因数分解:

$2^2\times 3^2\times {\mathrm{577517}}^1$

素因数の和:577527

約数の個数: 18

約数和(自身を含む): 52554138

約数和(自身を除く): 31763526

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 577517, 1155034, 1732551, 2310068, 3465102, 5197653, 6930204, 10395306, 20790612]

約数ペア:

[(1, 20790612), (2, 10395306), (3, 6930204), (4, 5197653), (6, 3465102), (9, 2310068), (12, 1732551), (18, 1155034), (36, 577517)]