20757693

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{197}}^1$

素因数の和:345

約数の個数: 32

約数和(自身を含む): 31629312

約数和(自身を除く): 10871619

約数列:

[1, 3, 11, 31, 33, 93, 103, 197, 309, 341, 591, 1023, 1133, 2167, 3193, 3399, 6107, 6501, 9579, 18321, 20291, 35123, 60873, 67177, 105369, 201531, 223201, 629021, 669603, 1887063, 6919231, 20757693]

約数ペア:

[(1, 20757693), (3, 6919231), (11, 1887063), (31, 669603), (33, 629021), (93, 223201), (103, 201531), (197, 105369), (309, 67177), (341, 60873), (591, 35123), (1023, 20291), (1133, 18321), (2167, 9579), (3193, 6501), (3399, 6107)]