20488965

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{2351}}^1$

素因数の和:2449

約数の個数: 32

約数和(自身を含む): 37933056

約数和(自身を除く): 17444091

約数列:

[1, 3, 5, 7, 15, 21, 35, 83, 105, 249, 415, 581, 1245, 1743, 2351, 2905, 7053, 8715, 11755, 16457, 35265, 49371, 82285, 195133, 246855, 585399, 975665, 1365931, 2926995, 4097793, 6829655, 20488965]

約数ペア:

[(1, 20488965), (3, 6829655), (5, 4097793), (7, 2926995), (15, 1365931), (21, 975665), (35, 585399), (83, 246855), (105, 195133), (249, 82285), (415, 49371), (581, 35265), (1245, 16457), (1743, 11755), (2351, 8715), (2905, 7053)]