20611059

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{307}}^1$

素因数の和:479

約数の個数: 32

約数和(自身を含む): 33116160

約数和(自身を除く): 12505101

約数列:

[1, 3, 7, 21, 23, 69, 139, 161, 307, 417, 483, 921, 973, 2149, 2919, 3197, 6447, 7061, 9591, 21183, 22379, 42673, 49427, 67137, 128019, 148281, 298711, 896133, 981479, 2944437, 6870353, 20611059]

約数ペア:

[(1, 20611059), (3, 6870353), (7, 2944437), (21, 981479), (23, 896133), (69, 298711), (139, 148281), (161, 128019), (307, 67137), (417, 49427), (483, 42673), (921, 22379), (973, 21183), (2149, 9591), (2919, 7061), (3197, 6447)]