20555084

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{181}}^1$

素因数の和:314

約数の個数: 48

約数和(自身を含む): 41277600

約数和(自身を除く): 20722516

約数列:

[1, 2, 4, 11, 22, 29, 44, 58, 89, 116, 178, 181, 319, 356, 362, 638, 724, 979, 1276, 1958, 1991, 2581, 3916, 3982, 5162, 5249, 7964, 10324, 10498, 16109, 20996, 28391, 32218, 56782, 57739, 64436, 113564, 115478, 177199, 230956, 354398, 467161, 708796, 934322, 1868644, 5138771, 10277542, 20555084]

約数ペア:

[(1, 20555084), (2, 10277542), (4, 5138771), (11, 1868644), (22, 934322), (29, 708796), (44, 467161), (58, 354398), (89, 230956), (116, 177199), (178, 115478), (181, 113564), (319, 64436), (356, 57739), (362, 56782), (638, 32218), (724, 28391), (979, 20996), (1276, 16109), (1958, 10498), (1991, 10324), (2581, 7964), (3916, 5249), (3982, 5162)]