17900620

素因数分解:

$2^2\times 5^1\times {\mathrm{797}}^1\times {\mathrm{1123}}^1$

素因数の和:1929

約数の個数: 24

約数和(自身を含む): 37671984

約数和(自身を除く): 19771364

約数列:

[1, 2, 4, 5, 10, 20, 797, 1123, 1594, 2246, 3188, 3985, 4492, 5615, 7970, 11230, 15940, 22460, 895031, 1790062, 3580124, 4475155, 8950310, 17900620]

約数ペア:

[(1, 17900620), (2, 8950310), (4, 4475155), (5, 3580124), (10, 1790062), (20, 895031), (797, 22460), (1123, 15940), (1594, 11230), (2246, 7970), (3188, 5615), (3985, 4492)]