20755988

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{15217}}^1$

素因数の和:15263

約数の個数: 24

約数和(自身を含む): 40905984

約数和(自身を除く): 20149996

約数列:

[1, 2, 4, 11, 22, 31, 44, 62, 124, 341, 682, 1364, 15217, 30434, 60868, 167387, 334774, 471727, 669548, 943454, 1886908, 5188997, 10377994, 20755988]

約数ペア:

[(1, 20755988), (2, 10377994), (4, 5188997), (11, 1886908), (22, 943454), (31, 669548), (44, 471727), (62, 334774), (124, 167387), (341, 60868), (682, 30434), (1364, 15217)]