20525724

素因数分解:

$2^2\times 3^6\times {\mathrm{7039}}^1$

素因数の和:7061

約数の個数: 42

約数和(自身を含む): 53863040

約数和(自身を除く): 33337316

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 243, 324, 486, 729, 972, 1458, 2916, 7039, 14078, 21117, 28156, 42234, 63351, 84468, 126702, 190053, 253404, 380106, 570159, 760212, 1140318, 1710477, 2280636, 3420954, 5131431, 6841908, 10262862, 20525724]

約数ペア:

[(1, 20525724), (2, 10262862), (3, 6841908), (4, 5131431), (6, 3420954), (9, 2280636), (12, 1710477), (18, 1140318), (27, 760212), (36, 570159), (54, 380106), (81, 253404), (108, 190053), (162, 126702), (243, 84468), (324, 63351), (486, 42234), (729, 28156), (972, 21117), (1458, 14078), (2916, 7039)]