20210362588

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{139}}^1\times {\mathrm{52757}}^1$

素因数の和:52966

約数の個数: 48

約数和(自身を含む): 39087347040

約数和(自身を除く): 18876984452

約数列:

[1, 2, 4, 13, 26, 52, 53, 106, 139, 212, 278, 556, 689, 1378, 1807, 2756, 3614, 7228, 7367, 14734, 29468, 52757, 95771, 105514, 191542, 211028, 383084, 685841, 1371682, 2743364, 2796121, 5592242, 7333223, 11184484, 14666446, 29332892, 36349573, 72699146, 95331899, 145398292, 190663798, 381327596, 388660819, 777321638, 1554643276, 5052590647, 10105181294, 20210362588]

約数ペア:

[(1, 20210362588), (2, 10105181294), (4, 5052590647), (13, 1554643276), (26, 777321638), (52, 388660819), (53, 381327596), (106, 190663798), (139, 145398292), (212, 95331899), (278, 72699146), (556, 36349573), (689, 29332892), (1378, 14666446), (1807, 11184484), (2756, 7333223), (3614, 5592242), (7228, 2796121), (7367, 2743364), (14734, 1371682), (29468, 685841), (52757, 383084), (95771, 211028), (105514, 191542)]