20736040910

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{349}}^1\times {\mathrm{457043}}^1$

素因数の和:457412

約数の個数: 32

約数和(自身を含む): 40311280800

約数和(自身を除く): 19575239890

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 349, 698, 1745, 3490, 4537, 9074, 22685, 45370, 457043, 914086, 2285215, 4570430, 5941559, 11883118, 29707795, 59415590, 159508007, 319016014, 797540035, 1595080070, 2073604091, 4147208182, 10368020455, 20736040910]

約数ペア:

[(1, 20736040910), (2, 10368020455), (5, 4147208182), (10, 2073604091), (13, 1595080070), (26, 797540035), (65, 319016014), (130, 159508007), (349, 59415590), (698, 29707795), (1745, 11883118), (3490, 5941559), (4537, 4570430), (9074, 2285215), (22685, 914086), (45370, 457043)]