38826820

素因数分解:

$2^2\times 5^1\times {\mathrm{911}}^1\times {\mathrm{2131}}^1$

素因数の和:3051

約数の個数: 24

約数和(自身を含む): 81664128

約数和(自身を除く): 42837308

約数列:

[1, 2, 4, 5, 10, 20, 911, 1822, 2131, 3644, 4262, 4555, 8524, 9110, 10655, 18220, 21310, 42620, 1941341, 3882682, 7765364, 9706705, 19413410, 38826820]

約数ペア:

[(1, 38826820), (2, 19413410), (4, 9706705), (5, 7765364), (10, 3882682), (20, 1941341), (911, 42620), (1822, 21310), (2131, 18220), (3644, 10655), (4262, 9110), (4555, 8524)]