20282913

素因数分解:

$3^3\times 7^2\times {\mathrm{15331}}^1$

素因数の和:15354

約数の個数: 24

約数和(自身を含む): 34956960

約数和(自身を除く): 14674047

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 441, 1323, 15331, 45993, 107317, 137979, 321951, 413937, 751219, 965853, 2253657, 2897559, 6760971, 20282913]

約数ペア:

[(1, 20282913), (3, 6760971), (7, 2897559), (9, 2253657), (21, 965853), (27, 751219), (49, 413937), (63, 321951), (147, 137979), (189, 107317), (441, 45993), (1323, 15331)]