20146497

素因数分解:

$3^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{4421}}^1$

素因数の和:4469

約数の個数: 24

約数和(自身を含む): 32262912

約数和(自身を除く): 12116415

約数列:

[1, 3, 7, 21, 31, 49, 93, 147, 217, 651, 1519, 4421, 4557, 13263, 30947, 92841, 137051, 216629, 411153, 649887, 959357, 2878071, 6715499, 20146497]

約数ペア:

[(1, 20146497), (3, 6715499), (7, 2878071), (21, 959357), (31, 649887), (49, 411153), (93, 216629), (147, 137051), (217, 92841), (651, 30947), (1519, 13263), (4421, 4557)]