20201655

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{971}}^1$

素因数の和:1071

約数の個数: 32

約数和(自身を含む): 34525440

約数和(自身を除く): 14323785

約数列:

[1, 3, 5, 15, 19, 57, 73, 95, 219, 285, 365, 971, 1095, 1387, 2913, 4161, 4855, 6935, 14565, 18449, 20805, 55347, 70883, 92245, 212649, 276735, 354415, 1063245, 1346777, 4040331, 6733885, 20201655]

約数ペア:

[(1, 20201655), (3, 6733885), (5, 4040331), (15, 1346777), (19, 1063245), (57, 354415), (73, 276735), (95, 212649), (219, 92245), (285, 70883), (365, 55347), (971, 20805), (1095, 18449), (1387, 14565), (2913, 6935), (4161, 4855)]