20169578

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{647}}^1$

素因数の和:782

約数の個数: 32

約数和(自身を含む): 35925120

約数和(自身を除く): 15755542

約数列:

[1, 2, 11, 13, 22, 26, 109, 143, 218, 286, 647, 1199, 1294, 1417, 2398, 2834, 7117, 8411, 14234, 15587, 16822, 31174, 70523, 92521, 141046, 185042, 775753, 916799, 1551506, 1833598, 10084789, 20169578]

約数ペア:

[(1, 20169578), (2, 10084789), (11, 1833598), (13, 1551506), (22, 916799), (26, 775753), (109, 185042), (143, 141046), (218, 92521), (286, 70523), (647, 31174), (1199, 16822), (1294, 15587), (1417, 14234), (2398, 8411), (2834, 7117)]