20106669

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{449}}^1$

素因数の和:545

約数の個数: 32

約数和(自身を含む): 31104000

約数和(自身を除く): 10997331

約数列:

[1, 3, 11, 23, 33, 59, 69, 177, 253, 449, 649, 759, 1347, 1357, 1947, 4071, 4939, 10327, 14817, 14927, 26491, 30981, 44781, 79473, 113597, 291401, 340791, 609293, 874203, 1827879, 6702223, 20106669]

約数ペア:

[(1, 20106669), (3, 6702223), (11, 1827879), (23, 874203), (33, 609293), (59, 340791), (69, 291401), (177, 113597), (253, 79473), (449, 44781), (649, 30981), (759, 26491), (1347, 14927), (1357, 14817), (1947, 10327), (4071, 4939)]