20817977

素因数分解:

${\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{307}}^1$

素因数の和:452

約数の個数: 16

約数和(自身を含む): 22767360

約数和(自身を除く): 1949383

約数列:

[1, 19, 43, 83, 307, 817, 1577, 3569, 5833, 13201, 25481, 67811, 250819, 484139, 1095683, 20817977]

約数ペア:

[(1, 20817977), (19, 1095683), (43, 484139), (83, 250819), (307, 67811), (817, 25481), (1577, 13201), (3569, 5833)]