20974228

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{15377}}^1$

素因数の和:15423

約数の個数: 24

約数和(自身を含む): 41336064

約数和(自身を除く): 20361836

約数列:

[1, 2, 4, 11, 22, 31, 44, 62, 124, 341, 682, 1364, 15377, 30754, 61508, 169147, 338294, 476687, 676588, 953374, 1906748, 5243557, 10487114, 20974228]

約数ペア:

[(1, 20974228), (2, 10487114), (4, 5243557), (11, 1906748), (22, 953374), (31, 676588), (44, 476687), (62, 338294), (124, 169147), (341, 61508), (682, 30754), (1364, 15377)]