20752335

素因数分解:

$3^3\times 5^1\times {\mathrm{347}}^1\times {\mathrm{443}}^1$

素因数の和:804

約数の個数: 32

約数和(自身を含む): 37082880

約数和(自身を除く): 16330545

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 347, 443, 1041, 1329, 1735, 2215, 3123, 3987, 5205, 6645, 9369, 11961, 15615, 19935, 46845, 59805, 153721, 461163, 768605, 1383489, 2305815, 4150467, 6917445, 20752335]

約数ペア:

[(1, 20752335), (3, 6917445), (5, 4150467), (9, 2305815), (15, 1383489), (27, 768605), (45, 461163), (135, 153721), (347, 59805), (443, 46845), (1041, 19935), (1329, 15615), (1735, 11961), (2215, 9369), (3123, 6645), (3987, 5205)]