20810560

素因数分解:

$2^6\times 5^1\times {\mathrm{65033}}^1$

素因数の和:65050

約数の個数: 28

約数和(自身を含む): 49555908

約数和(自身を除く): 28745348

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 65033, 130066, 260132, 325165, 520264, 650330, 1040528, 1300660, 2081056, 2601320, 4162112, 5202640, 10405280, 20810560]

約数ペア:

[(1, 20810560), (2, 10405280), (4, 5202640), (5, 4162112), (8, 2601320), (10, 2081056), (16, 1300660), (20, 1040528), (32, 650330), (40, 520264), (64, 325165), (80, 260132), (160, 130066), (320, 65033)]