20133765

素因数分解:

$3^5\times 5^1\times {\mathrm{73}}^1\times {\mathrm{227}}^1$

素因数の和:320

約数の個数: 48

約数和(自身を含む): 36848448

約数和(自身を除く): 16714683

約数列:

[1, 3, 5, 9, 15, 27, 45, 73, 81, 135, 219, 227, 243, 365, 405, 657, 681, 1095, 1135, 1215, 1971, 2043, 3285, 3405, 5913, 6129, 9855, 10215, 16571, 17739, 18387, 29565, 30645, 49713, 55161, 82855, 88695, 91935, 149139, 248565, 275805, 447417, 745695, 1342251, 2237085, 4026753, 6711255, 20133765]

約数ペア:

[(1, 20133765), (3, 6711255), (5, 4026753), (9, 2237085), (15, 1342251), (27, 745695), (45, 447417), (73, 275805), (81, 248565), (135, 149139), (219, 91935), (227, 88695), (243, 82855), (365, 55161), (405, 49713), (657, 30645), (681, 29565), (1095, 18387), (1135, 17739), (1215, 16571), (1971, 10215), (2043, 9855), (3285, 6129), (3405, 5913)]