20958834

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{167}}^1\times {\mathrm{1609}}^1$

素因数の和:1794

約数の個数: 32

約数和(自身を含む): 45440640

約数和(自身を除く): 24481806

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 167, 334, 501, 1002, 1609, 2171, 3218, 4342, 4827, 6513, 9654, 13026, 20917, 41834, 62751, 125502, 268703, 537406, 806109, 1612218, 3493139, 6986278, 10479417, 20958834]

約数ペア:

[(1, 20958834), (2, 10479417), (3, 6986278), (6, 3493139), (13, 1612218), (26, 806109), (39, 537406), (78, 268703), (167, 125502), (334, 62751), (501, 41834), (1002, 20917), (1609, 13026), (2171, 9654), (3218, 6513), (4342, 4827)]