20796664468

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{439}}^1\times {\mathrm{696659}}^1$

素因数の和:697119

約数の個数: 24

約数和(自身を含む): 38622830400

約数和(自身を除く): 17826165932

約数列:

[1, 2, 4, 17, 34, 68, 439, 878, 1756, 7463, 14926, 29852, 696659, 1393318, 2786636, 11843203, 23686406, 47372812, 305833301, 611666602, 1223333204, 5199166117, 10398332234, 20796664468]

約数ペア:

[(1, 20796664468), (2, 10398332234), (4, 5199166117), (17, 1223333204), (34, 611666602), (68, 305833301), (439, 47372812), (878, 23686406), (1756, 11843203), (7463, 2786636), (14926, 1393318), (29852, 696659)]