20160687160

素因数分解:

$2^3\times 5^1\times {\mathrm{907}}^1\times {\mathrm{555697}}^1$

素因数の和:556615

約数の個数: 32

約数和(自身を含む): 45411640560

約数和(自身を除く): 25250953400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 907, 1814, 3628, 4535, 7256, 9070, 18140, 36280, 555697, 1111394, 2222788, 2778485, 4445576, 5556970, 11113940, 22227880, 504017179, 1008034358, 2016068716, 2520085895, 4032137432, 5040171790, 10080343580, 20160687160]

約数ペア:

[(1, 20160687160), (2, 10080343580), (4, 5040171790), (5, 4032137432), (8, 2520085895), (10, 2016068716), (20, 1008034358), (40, 504017179), (907, 22227880), (1814, 11113940), (3628, 5556970), (4535, 4445576), (7256, 2778485), (9070, 2222788), (18140, 1111394), (36280, 555697)]