20612942

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{257}}^1\times {\mathrm{337}}^1$

素因数の和:620

約数の個数: 32

約数和(自身を含む): 37672128

約数和(自身を除く): 17059186

約数列:

[1, 2, 7, 14, 17, 34, 119, 238, 257, 337, 514, 674, 1799, 2359, 3598, 4369, 4718, 5729, 8738, 11458, 30583, 40103, 61166, 80206, 86609, 173218, 606263, 1212526, 1472353, 2944706, 10306471, 20612942]

約数ペア:

[(1, 20612942), (2, 10306471), (7, 2944706), (14, 1472353), (17, 1212526), (34, 606263), (119, 173218), (238, 86609), (257, 80206), (337, 61166), (514, 40103), (674, 30583), (1799, 11458), (2359, 8738), (3598, 5729), (4369, 4718)]