20465367

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{9901}}^1$

素因数の和:9970

約数の個数: 16

約数和(自身を含む): 29943648

約数和(自身を除く): 9478281

約数列:

[1, 3, 13, 39, 53, 159, 689, 2067, 9901, 29703, 128713, 386139, 524753, 1574259, 6821789, 20465367]

約数ペア:

[(1, 20465367), (3, 6821789), (13, 1574259), (39, 524753), (53, 386139), (159, 128713), (689, 29703), (2067, 9901)]