20117776912

素因数分解:

$2^4\times {\mathrm{113}}^1\times {\mathrm{139}}^1\times {\mathrm{80051}}^1$

素因数の和:80311

約数の個数: 40

約数和(自身を含む): 39606527520

約数和(自身を除く): 19488750608

約数列:

[1, 2, 4, 8, 16, 113, 139, 226, 278, 452, 556, 904, 1112, 1808, 2224, 15707, 31414, 62828, 80051, 125656, 160102, 251312, 320204, 640408, 1280816, 9045763, 11127089, 18091526, 22254178, 36183052, 44508356, 72366104, 89016712, 144732208, 178033424, 1257361057, 2514722114, 5029444228, 10058888456, 20117776912]

約数ペア:

[(1, 20117776912), (2, 10058888456), (4, 5029444228), (8, 2514722114), (16, 1257361057), (113, 178033424), (139, 144732208), (226, 89016712), (278, 72366104), (452, 44508356), (556, 36183052), (904, 22254178), (1112, 18091526), (1808, 11127089), (2224, 9045763), (15707, 1280816), (31414, 640408), (62828, 320204), (80051, 251312), (125656, 160102)]