20431370

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{1499}}^1$

素因数の和:1582

約数の個数: 32

約数和(自身を含む): 38880000

約数和(自身を除く): 18448630

約数列:

[1, 2, 5, 10, 29, 47, 58, 94, 145, 235, 290, 470, 1363, 1499, 2726, 2998, 6815, 7495, 13630, 14990, 43471, 70453, 86942, 140906, 217355, 352265, 434710, 704530, 2043137, 4086274, 10215685, 20431370]

約数ペア:

[(1, 20431370), (2, 10215685), (5, 4086274), (10, 2043137), (29, 704530), (47, 434710), (58, 352265), (94, 217355), (145, 140906), (235, 86942), (290, 70453), (470, 43471), (1363, 14990), (1499, 13630), (2726, 7495), (2998, 6815)]