20364946

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{2087}}^1$

素因数の和:2154

約数の個数: 32

約数和(自身を含む): 37884672

約数和(自身を除く): 17519726

約数列:

[1, 2, 7, 14, 17, 34, 41, 82, 119, 238, 287, 574, 697, 1394, 2087, 4174, 4879, 9758, 14609, 29218, 35479, 70958, 85567, 171134, 248353, 496706, 598969, 1197938, 1454639, 2909278, 10182473, 20364946]

約数ペア:

[(1, 20364946), (2, 10182473), (7, 2909278), (14, 1454639), (17, 1197938), (34, 598969), (41, 496706), (82, 248353), (119, 171134), (238, 85567), (287, 70958), (574, 35479), (697, 29218), (1394, 14609), (2087, 9758), (4174, 4879)]