20788724

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{15241}}^1$

素因数の和:15287

約数の個数: 24

約数和(自身を含む): 40970496

約数和(自身を除く): 20181772

約数列:

[1, 2, 4, 11, 22, 31, 44, 62, 124, 341, 682, 1364, 15241, 30482, 60964, 167651, 335302, 472471, 670604, 944942, 1889884, 5197181, 10394362, 20788724]

約数ペア:

[(1, 20788724), (2, 10394362), (4, 5197181), (11, 1889884), (22, 944942), (31, 670604), (44, 472471), (62, 335302), (124, 167651), (341, 60964), (682, 30482), (1364, 15241)]