20807409496

素因数分解:

$2^3\times {\mathrm{53}}^1\times {\mathrm{197}}^1\times {\mathrm{249107}}^1$

素因数の和:249363

約数の個数: 32

約数和(自身を含む): 39951941040

約数和(自身を除く): 19144531544

約数列:

[1, 2, 4, 8, 53, 106, 197, 212, 394, 424, 788, 1576, 10441, 20882, 41764, 83528, 249107, 498214, 996428, 1992856, 13202671, 26405342, 49074079, 52810684, 98148158, 105621368, 196296316, 392592632, 2600926187, 5201852374, 10403704748, 20807409496]

約数ペア:

[(1, 20807409496), (2, 10403704748), (4, 5201852374), (8, 2600926187), (53, 392592632), (106, 196296316), (197, 105621368), (212, 98148158), (394, 52810684), (424, 49074079), (788, 26405342), (1576, 13202671), (10441, 1992856), (20882, 996428), (41764, 498214), (83528, 249107)]