20348520220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{145346573}}^1$

素因数の和:145346589

約数の個数: 24

約数和(自身を含む): 48836448864

約数和(自身を除く): 28487928644

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 145346573, 290693146, 581386292, 726732865, 1017426011, 1453465730, 2034852022, 2906931460, 4069704044, 5087130055, 10174260110, 20348520220]

約数ペア:

[(1, 20348520220), (2, 10174260110), (4, 5087130055), (5, 4069704044), (7, 2906931460), (10, 2034852022), (14, 1453465730), (20, 1017426011), (28, 726732865), (35, 581386292), (70, 290693146), (140, 145346573)]