20738674

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{71}}^2$

素因数の和:183

約数の個数: 36

約数和(自身を含む): 36721566

約数和(自身を除く): 15982892

約数列:

[1, 2, 11, 17, 22, 34, 71, 121, 142, 187, 242, 374, 781, 1207, 1562, 2057, 2414, 4114, 5041, 8591, 10082, 13277, 17182, 26554, 55451, 85697, 110902, 146047, 171394, 292094, 609961, 942667, 1219922, 1885334, 10369337, 20738674]

約数ペア:

[(1, 20738674), (2, 10369337), (11, 1885334), (17, 1219922), (22, 942667), (34, 609961), (71, 292094), (121, 171394), (142, 146047), (187, 110902), (242, 85697), (374, 55451), (781, 26554), (1207, 17182), (1562, 13277), (2057, 10082), (2414, 8591), (4114, 5041)]