20121653885

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{3533}}^1\times {\mathrm{59951}}^1$

素因数の和:63508

約数の個数: 16

約数和(自身を含む): 25424444160

約数和(自身を除く): 5302790275

約数列:

[1, 5, 19, 95, 3533, 17665, 59951, 67127, 299755, 335635, 1139069, 5695345, 211806883, 1059034415, 4024330777, 20121653885]

約数ペア:

[(1, 20121653885), (5, 4024330777), (19, 1059034415), (95, 211806883), (3533, 5695345), (17665, 1139069), (59951, 335635), (67127, 299755)]