20349621887

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{367}}^1\times {\mathrm{479}}^1\times {\mathrm{719}}^1$

素因数の和:1595

約数の個数: 32

約数和(自身を含む): 24418713600

約数和(自身を除く): 4069091713

約数列:

[1, 7, 23, 161, 367, 479, 719, 2569, 3353, 5033, 8441, 11017, 16537, 59087, 77119, 115759, 175793, 263873, 344401, 1230551, 1847111, 2410807, 4043239, 6069079, 7921223, 28302673, 42483553, 55448561, 126395167, 884766169, 2907088841, 20349621887]

約数ペア:

[(1, 20349621887), (7, 2907088841), (23, 884766169), (161, 126395167), (367, 55448561), (479, 42483553), (719, 28302673), (2569, 7921223), (3353, 6069079), (5033, 4043239), (8441, 2410807), (11017, 1847111), (16537, 1230551), (59087, 344401), (77119, 263873), (115759, 175793)]