20496980812

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{66548639}}^1$

素因数の和:66548661

約数の個数: 24

約数和(自身を含む): 44720686080

約数和(自身を除く): 24223705268

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 66548639, 133097278, 266194556, 465840473, 732035029, 931680946, 1464070058, 1863361892, 2928140116, 5124245203, 10248490406, 20496980812]

約数ペア:

[(1, 20496980812), (2, 10248490406), (4, 5124245203), (7, 2928140116), (11, 1863361892), (14, 1464070058), (22, 931680946), (28, 732035029), (44, 465840473), (77, 266194556), (154, 133097278), (308, 66548639)]