2020668860

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{2061907}}^1$

素因数の和:2061930

約数の個数: 36

約数和(自身を含む): 4936207752

約数和(自身を除く): 2915538892

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 2061907, 4123814, 8247628, 10309535, 14433349, 20619070, 28866698, 41238140, 57733396, 72166745, 101033443, 144333490, 202066886, 288666980, 404133772, 505167215, 1010334430, 2020668860]

約数ペア:

[(1, 2020668860), (2, 1010334430), (4, 505167215), (5, 404133772), (7, 288666980), (10, 202066886), (14, 144333490), (20, 101033443), (28, 72166745), (35, 57733396), (49, 41238140), (70, 28866698), (98, 20619070), (140, 14433349), (196, 10309535), (245, 8247628), (490, 4123814), (980, 2061907)]