20813607

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{2063}}^1$

素因数の和:2147

約数の個数: 24

約数和(自身を含む): 32198400

約数和(自身を除く): 11384793

約数列:

[1, 3, 9, 19, 57, 59, 171, 177, 531, 1121, 2063, 3363, 6189, 10089, 18567, 39197, 117591, 121717, 352773, 365151, 1095453, 2312623, 6937869, 20813607]

約数ペア:

[(1, 20813607), (3, 6937869), (9, 2312623), (19, 1095453), (57, 365151), (59, 352773), (171, 121717), (177, 117591), (531, 39197), (1121, 18567), (2063, 10089), (3363, 6189)]