20156278317

素因数分解:

$3^1\times 7^1\times {\mathrm{431}}^1\times {\mathrm{1249}}^1\times {\mathrm{1783}}^1$

素因数の和:3473

約数の個数: 32

約数和(自身を含む): 30827520000

約数和(自身を除く): 10671241683

約数列:

[1, 3, 7, 21, 431, 1249, 1293, 1783, 3017, 3747, 5349, 8743, 9051, 12481, 26229, 37443, 538319, 768473, 1614957, 2226967, 2305419, 3768233, 5379311, 6680901, 11304699, 15588769, 16137933, 46766307, 959822777, 2879468331, 6718759439, 20156278317]

約数ペア:

[(1, 20156278317), (3, 6718759439), (7, 2879468331), (21, 959822777), (431, 46766307), (1249, 16137933), (1293, 15588769), (1783, 11304699), (3017, 6680901), (3747, 5379311), (5349, 3768233), (8743, 2305419), (9051, 2226967), (12481, 1614957), (26229, 768473), (37443, 538319)]