20778820144

素因数分解:

$2^4\times {\mathrm{251}}^1\times {\mathrm{601}}^1\times {\mathrm{8609}}^1$

素因数の和:9469

約数の個数: 40

約数和(自身を含む): 40491314640

約数和(自身を除く): 19712494496

約数列:

[1, 2, 4, 8, 16, 251, 502, 601, 1004, 1202, 2008, 2404, 4016, 4808, 8609, 9616, 17218, 34436, 68872, 137744, 150851, 301702, 603404, 1206808, 2160859, 2413616, 4321718, 5174009, 8643436, 10348018, 17286872, 20696036, 34573744, 41392072, 82784144, 1298676259, 2597352518, 5194705036, 10389410072, 20778820144]

約数ペア:

[(1, 20778820144), (2, 10389410072), (4, 5194705036), (8, 2597352518), (16, 1298676259), (251, 82784144), (502, 41392072), (601, 34573744), (1004, 20696036), (1202, 17286872), (2008, 10348018), (2404, 8643436), (4016, 5174009), (4808, 4321718), (8609, 2413616), (9616, 2160859), (17218, 1206808), (34436, 603404), (68872, 301702), (137744, 150851)]