20157856

素因数分解:

$2^5\times {\mathrm{661}}^1\times {\mathrm{953}}^1$

素因数の和:1624

約数の個数: 24

約数和(自身を含む): 39787524

約数和(自身を除く): 19629668

約数列:

[1, 2, 4, 8, 16, 32, 661, 953, 1322, 1906, 2644, 3812, 5288, 7624, 10576, 15248, 21152, 30496, 629933, 1259866, 2519732, 5039464, 10078928, 20157856]

約数ペア:

[(1, 20157856), (2, 10078928), (4, 5039464), (8, 2519732), (16, 1259866), (32, 629933), (661, 30496), (953, 21152), (1322, 15248), (1906, 10576), (2644, 7624), (3812, 5288)]