20790765

素因数分解:

$3^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{6329}}^1$

素因数の和:6413

約数の個数: 24

約数和(自身を含む): 36536760

約数和(自身を除く): 15745995

約数列:

[1, 3, 5, 9, 15, 45, 73, 219, 365, 657, 1095, 3285, 6329, 18987, 31645, 56961, 94935, 284805, 462017, 1386051, 2310085, 4158153, 6930255, 20790765]

約数ペア:

[(1, 20790765), (3, 6930255), (5, 4158153), (9, 2310085), (15, 1386051), (45, 462017), (73, 284805), (219, 94935), (365, 56961), (657, 31645), (1095, 18987), (3285, 6329)]