20162470280

素因数分解:

$2^3\times 5^1\times {\mathrm{983}}^1\times {\mathrm{512779}}^1$

素因数の和:513773

約数の個数: 32

約数和(自身を含む): 45411796800

約数和(自身を除く): 25249326520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 983, 1966, 3932, 4915, 7864, 9830, 19660, 39320, 512779, 1025558, 2051116, 2563895, 4102232, 5127790, 10255580, 20511160, 504061757, 1008123514, 2016247028, 2520308785, 4032494056, 5040617570, 10081235140, 20162470280]

約数ペア:

[(1, 20162470280), (2, 10081235140), (4, 5040617570), (5, 4032494056), (8, 2520308785), (10, 2016247028), (20, 1008123514), (40, 504061757), (983, 20511160), (1966, 10255580), (3932, 5127790), (4915, 4102232), (7864, 2563895), (9830, 2051116), (19660, 1025558), (39320, 512779)]