20407796818

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{42307}}^1$

素因数の和:42502

約数の個数: 32

約数和(自身を含む): 32167618560

約数和(自身を除く): 11759821742

約数列:

[1, 2, 43, 71, 79, 86, 142, 158, 3053, 3397, 5609, 6106, 6794, 11218, 42307, 84614, 241187, 482374, 1819201, 3003797, 3342253, 3638402, 6007594, 6684506, 129163271, 143716879, 237299963, 258326542, 287433758, 474599926, 10203898409, 20407796818]

約数ペア:

[(1, 20407796818), (2, 10203898409), (43, 474599926), (71, 287433758), (79, 258326542), (86, 237299963), (142, 143716879), (158, 129163271), (3053, 6684506), (3397, 6007594), (5609, 3638402), (6106, 3342253), (6794, 3003797), (11218, 1819201), (42307, 482374), (84614, 241187)]