16550620

素因数分解:

$2^2\times 5^1\times {\mathrm{641}}^1\times {\mathrm{1291}}^1$

素因数の和:1941

約数の個数: 24

約数和(自身を含む): 34837488

約数和(自身を除く): 18286868

約数列:

[1, 2, 4, 5, 10, 20, 641, 1282, 1291, 2564, 2582, 3205, 5164, 6410, 6455, 12820, 12910, 25820, 827531, 1655062, 3310124, 4137655, 8275310, 16550620]

約数ペア:

[(1, 16550620), (2, 8275310), (4, 4137655), (5, 3310124), (10, 1655062), (20, 827531), (641, 25820), (1282, 12910), (1291, 12820), (2564, 6455), (2582, 6410), (3205, 5164)]