20674641

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{27901}}^1$

素因数の和:27936

約数の個数: 16

約数和(自身を含む): 31250240

約数和(自身を除く): 10575599

約数列:

[1, 3, 13, 19, 39, 57, 247, 741, 27901, 83703, 362713, 530119, 1088139, 1590357, 6891547, 20674641]

約数ペア:

[(1, 20674641), (3, 6891547), (13, 1590357), (19, 1088139), (39, 530119), (57, 362713), (247, 83703), (741, 27901)]