20424677

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{11813}}^1$

素因数の和:11852

約数の個数: 16

約数和(自身を含む): 26463360

約数和(自身を除く): 6038683

約数列:

[1, 7, 13, 19, 91, 133, 247, 1729, 11813, 82691, 153569, 224447, 1074983, 1571129, 2917811, 20424677]

約数ペア:

[(1, 20424677), (7, 2917811), (13, 1571129), (19, 1074983), (91, 224447), (133, 153569), (247, 82691), (1729, 11813)]