20210875760

素因数分解:

$2^4\times 5^1\times {\mathrm{41641}}^1\times {\mathrm{6067}}^1$

素因数の和:47721

約数の個数: 40

約数和(自身を含む): 46999160016

約数和(自身を除く): 26788284256

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 6067, 12134, 24268, 30335, 41641, 48536, 60670, 83282, 97072, 121340, 166564, 208205, 242680, 333128, 416410, 485360, 666256, 832820, 1665640, 3331280, 252635947, 505271894, 1010543788, 1263179735, 2021087576, 2526359470, 4042175152, 5052718940, 10105437880, 20210875760]

約数ペア:

[(1, 20210875760), (2, 10105437880), (4, 5052718940), (5, 4042175152), (8, 2526359470), (10, 2021087576), (16, 1263179735), (20, 1010543788), (40, 505271894), (80, 252635947), (6067, 3331280), (12134, 1665640), (24268, 832820), (30335, 666256), (41641, 485360), (48536, 416410), (60670, 333128), (83282, 242680), (97072, 208205), (121340, 166564)]