20358884

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{55931}}^1$

素因数の和:55955

約数の個数: 24

約数和(自身を含む): 43850688

約数和(自身を除く): 23491804

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 55931, 111862, 223724, 391517, 727103, 783034, 1454206, 1566068, 2908412, 5089721, 10179442, 20358884]

約数ペア:

[(1, 20358884), (2, 10179442), (4, 5089721), (7, 2908412), (13, 1566068), (14, 1454206), (26, 783034), (28, 727103), (52, 391517), (91, 223724), (182, 111862), (364, 55931)]