20985018726

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{499643303}}^1$

素因数の和:499643315

約数の個数: 16

約数和(自身を含む): 47965757184

約数和(自身を除く): 26980738458

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 499643303, 999286606, 1498929909, 2997859818, 3497503121, 6995006242, 10492509363, 20985018726]

約数ペア:

[(1, 20985018726), (2, 10492509363), (3, 6995006242), (6, 3497503121), (7, 2997859818), (14, 1498929909), (21, 999286606), (42, 499643303)]