20512497896

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{173}}^1\times {\mathrm{122489}}^1$

素因数の和:122690

約数の個数: 48

約数和(自身を含む): 42519953700

約数和(自身を除く): 22007455804

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 121, 173, 242, 346, 484, 692, 968, 1384, 1903, 3806, 7612, 15224, 20933, 41866, 83732, 122489, 167464, 244978, 489956, 979912, 1347379, 2694758, 5389516, 10779032, 14821169, 21190597, 29642338, 42381194, 59284676, 84762388, 118569352, 169524776, 233096567, 466193134, 932386268, 1864772536, 2564062237, 5128124474, 10256248948, 20512497896]

約数ペア:

[(1, 20512497896), (2, 10256248948), (4, 5128124474), (8, 2564062237), (11, 1864772536), (22, 932386268), (44, 466193134), (88, 233096567), (121, 169524776), (173, 118569352), (242, 84762388), (346, 59284676), (484, 42381194), (692, 29642338), (968, 21190597), (1384, 14821169), (1903, 10779032), (3806, 5389516), (7612, 2694758), (15224, 1347379), (20933, 979912), (41866, 489956), (83732, 244978), (122489, 167464)]