20644222

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31957}}^1$

素因数の和:31995

約数の個数: 16

約数和(自身を含む): 34514640

約数和(自身を除く): 13870418

約数列:

[1, 2, 17, 19, 34, 38, 323, 646, 31957, 63914, 543269, 607183, 1086538, 1214366, 10322111, 20644222]

約数ペア:

[(1, 20644222), (2, 10322111), (17, 1214366), (19, 1086538), (34, 607183), (38, 543269), (323, 63914), (646, 31957)]