20829708

素因数分解:

$2^2\times 3^2\times {\mathrm{578603}}^1$

素因数の和:578613

約数の個数: 18

約数和(自身を含む): 52652964

約数和(自身を除く): 31823256

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 578603, 1157206, 1735809, 2314412, 3471618, 5207427, 6943236, 10414854, 20829708]

約数ペア:

[(1, 20829708), (2, 10414854), (3, 6943236), (4, 5207427), (6, 3471618), (9, 2314412), (12, 1735809), (18, 1157206), (36, 578603)]