20160857855

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{181}}^1\times {\mathrm{619}}^1$

素因数の和:924

約数の個数: 64

約数和(自身を含む): 27054518400

約数和(自身を除く): 6893660545

約数列:

[1, 5, 17, 29, 73, 85, 145, 181, 365, 493, 619, 905, 1241, 2117, 2465, 3077, 3095, 5249, 6205, 10523, 10585, 13213, 15385, 17951, 26245, 35989, 45187, 52615, 66065, 89233, 89755, 112039, 179945, 224621, 225935, 305167, 383177, 446165, 560195, 768179, 1123105, 1310423, 1525835, 1904663, 1915885, 3249131, 3840895, 6514009, 6552115, 8178847, 9523315, 16245655, 22277191, 32570045, 40894235, 55235227, 111385955, 139040399, 237186563, 276176135, 695201995, 1185932815, 4032171571, 20160857855]

約数ペア:

[(1, 20160857855), (5, 4032171571), (17, 1185932815), (29, 695201995), (73, 276176135), (85, 237186563), (145, 139040399), (181, 111385955), (365, 55235227), (493, 40894235), (619, 32570045), (905, 22277191), (1241, 16245655), (2117, 9523315), (2465, 8178847), (3077, 6552115), (3095, 6514009), (5249, 3840895), (6205, 3249131), (10523, 1915885), (10585, 1904663), (13213, 1525835), (15385, 1310423), (17951, 1123105), (26245, 768179), (35989, 560195), (45187, 446165), (52615, 383177), (66065, 305167), (89233, 225935), (89755, 224621), (112039, 179945)]