20005978389

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{7937}}^1\times {\mathrm{44221}}^1$

素因数の和:52180

約数の個数: 16

約数和(自身を含む): 28082738880

約数和(自身を除く): 8076760491

約数列:

[1, 3, 19, 57, 7937, 23811, 44221, 132663, 150803, 452409, 840199, 2520597, 350982077, 1052946231, 6668659463, 20005978389]

約数ペア:

[(1, 20005978389), (3, 6668659463), (19, 1052946231), (57, 350982077), (7937, 2520597), (23811, 840199), (44221, 452409), (132663, 150803)]