20570560

素因数分解:

$2^6\times 5^1\times {\mathrm{64283}}^1$

素因数の和:64300

約数の個数: 28

約数和(自身を含む): 48984408

約数和(自身を除く): 28413848

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 64283, 128566, 257132, 321415, 514264, 642830, 1028528, 1285660, 2057056, 2571320, 4114112, 5142640, 10285280, 20570560]

約数ペア:

[(1, 20570560), (2, 10285280), (4, 5142640), (5, 4114112), (8, 2571320), (10, 2057056), (16, 1285660), (20, 1028528), (32, 642830), (40, 514264), (64, 321415), (80, 257132), (160, 128566), (320, 64283)]