20718894

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{8087}}^1$

素因数の和:8160

約数の個数: 32

約数和(自身を含む): 48139776

約数和(自身を除く): 27420882

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 61, 122, 183, 366, 427, 854, 1281, 2562, 8087, 16174, 24261, 48522, 56609, 113218, 169827, 339654, 493307, 986614, 1479921, 2959842, 3453149, 6906298, 10359447, 20718894]

約数ペア:

[(1, 20718894), (2, 10359447), (3, 6906298), (6, 3453149), (7, 2959842), (14, 1479921), (21, 986614), (42, 493307), (61, 339654), (122, 169827), (183, 113218), (366, 56609), (427, 48522), (854, 24261), (1281, 16174), (2562, 8087)]