20976320

素因数分解:

$2^6\times 5^1\times {\mathrm{65551}}^1$

素因数の和:65568

約数の個数: 28

約数和(自身を含む): 49950624

約数和(自身を除く): 28974304

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 65551, 131102, 262204, 327755, 524408, 655510, 1048816, 1311020, 2097632, 2622040, 4195264, 5244080, 10488160, 20976320]

約数ペア:

[(1, 20976320), (2, 10488160), (4, 5244080), (5, 4195264), (8, 2622040), (10, 2097632), (16, 1311020), (20, 1048816), (32, 655510), (40, 524408), (64, 327755), (80, 262204), (160, 131102), (320, 65551)]