20117776868

素因数分解:

$2^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{1123}}^1\times {\mathrm{14879}}^1$

素因数の和:16056

約数の個数: 48

約数和(自身を含む): 41210695680

約数和(自身を除く): 21092918812

約数列:

[1, 2, 4, 7, 14, 28, 43, 86, 172, 301, 602, 1123, 1204, 2246, 4492, 7861, 14879, 15722, 29758, 31444, 48289, 59516, 96578, 104153, 193156, 208306, 338023, 416612, 639797, 676046, 1279594, 1352092, 2559188, 4478579, 8957158, 16709117, 17914316, 33418234, 66836468, 116963819, 233927638, 467855276, 718492031, 1436984062, 2873968124, 5029444217, 10058888434, 20117776868]

約数ペア:

[(1, 20117776868), (2, 10058888434), (4, 5029444217), (7, 2873968124), (14, 1436984062), (28, 718492031), (43, 467855276), (86, 233927638), (172, 116963819), (301, 66836468), (602, 33418234), (1123, 17914316), (1204, 16709117), (2246, 8957158), (4492, 4478579), (7861, 2559188), (14879, 1352092), (15722, 1279594), (29758, 676046), (31444, 639797), (48289, 416612), (59516, 338023), (96578, 208306), (104153, 193156)]