20768427

素因数分解:

$3^3\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{257}}^1$

素因数の和:380

約数の個数: 32

約数和(自身を含む): 32074560

約数和(自身を除く): 11306133

約数列:

[1, 3, 9, 27, 41, 73, 123, 219, 257, 369, 657, 771, 1107, 1971, 2313, 2993, 6939, 8979, 10537, 18761, 26937, 31611, 56283, 80811, 94833, 168849, 284499, 506547, 769201, 2307603, 6922809, 20768427]

約数ペア:

[(1, 20768427), (3, 6922809), (9, 2307603), (27, 769201), (41, 506547), (73, 284499), (123, 168849), (219, 94833), (257, 80811), (369, 56283), (657, 31611), (771, 26937), (1107, 18761), (1971, 10537), (2313, 8979), (2993, 6939)]