20195505

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{3709}}^1$

素因数の和:3742

約数の個数: 36

約数和(自身を含む): 38487540

約数和(自身を除く): 18292035

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 121, 165, 363, 495, 605, 1089, 1815, 3709, 5445, 11127, 18545, 33381, 40799, 55635, 122397, 166905, 203995, 367191, 448789, 611985, 1346367, 1835955, 2243945, 4039101, 6731835, 20195505]

約数ペア:

[(1, 20195505), (3, 6731835), (5, 4039101), (9, 2243945), (11, 1835955), (15, 1346367), (33, 611985), (45, 448789), (55, 367191), (99, 203995), (121, 166905), (165, 122397), (363, 55635), (495, 40799), (605, 33381), (1089, 18545), (1815, 11127), (3709, 5445)]