20709766

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{1511}}^1$

素因数の和:1620

約数の個数: 32

約数和(自身を含む): 39191040

約数和(自身を除く): 18481274

約数列:

[1, 2, 7, 11, 14, 22, 77, 89, 154, 178, 623, 979, 1246, 1511, 1958, 3022, 6853, 10577, 13706, 16621, 21154, 33242, 116347, 134479, 232694, 268958, 941353, 1479269, 1882706, 2958538, 10354883, 20709766]

約数ペア:

[(1, 20709766), (2, 10354883), (7, 2958538), (11, 1882706), (14, 1479269), (22, 941353), (77, 268958), (89, 232694), (154, 134479), (178, 116347), (623, 33242), (979, 21154), (1246, 16621), (1511, 13706), (1958, 10577), (3022, 6853)]