20157608440

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{26523169}}^1$

素因数の和:26523199

約数の個数: 32

約数和(自身を含む): 47741706000

約数和(自身を除く): 27584097560

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 26523169, 53046338, 106092676, 132615845, 212185352, 265231690, 503940211, 530463380, 1007880422, 1060926760, 2015760844, 2519701055, 4031521688, 5039402110, 10078804220, 20157608440]

約数ペア:

[(1, 20157608440), (2, 10078804220), (4, 5039402110), (5, 4031521688), (8, 2519701055), (10, 2015760844), (19, 1060926760), (20, 1007880422), (38, 530463380), (40, 503940211), (76, 265231690), (95, 212185352), (152, 132615845), (190, 106092676), (380, 53046338), (760, 26523169)]