20695563

素因数分解:

$3^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{4903}}^1$

素因数の和:4983

約数の個数: 24

約数和(自身を含む): 34681088

約数和(自身を除く): 13985525

約数列:

[1, 3, 7, 9, 21, 63, 67, 201, 469, 603, 1407, 4221, 4903, 14709, 34321, 44127, 102963, 308889, 328501, 985503, 2299507, 2956509, 6898521, 20695563]

約数ペア:

[(1, 20695563), (3, 6898521), (7, 2956509), (9, 2299507), (21, 985503), (63, 328501), (67, 308889), (201, 102963), (469, 44127), (603, 34321), (1407, 14709), (4221, 4903)]