20576960

素因数分解:

$2^6\times 5^1\times {\mathrm{64303}}^1$

素因数の和:64320

約数の個数: 28

約数和(自身を含む): 48999648

約数和(自身を除く): 28422688

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 64303, 128606, 257212, 321515, 514424, 643030, 1028848, 1286060, 2057696, 2572120, 4115392, 5144240, 10288480, 20576960]

約数ペア:

[(1, 20576960), (2, 10288480), (4, 5144240), (5, 4115392), (8, 2572120), (10, 2057696), (16, 1286060), (20, 1028848), (32, 643030), (40, 514424), (64, 321515), (80, 257212), (160, 128606), (320, 64303)]