19905972

素因数分解:

$2^2\times 3^1\times {\mathrm{509}}^1\times {\mathrm{3259}}^1$

素因数の和:3775

約数の個数: 24

約数和(自身を含む): 46552800

約数和(自身を除く): 26646828

約数列:

[1, 2, 3, 4, 6, 12, 509, 1018, 1527, 2036, 3054, 3259, 6108, 6518, 9777, 13036, 19554, 39108, 1658831, 3317662, 4976493, 6635324, 9952986, 19905972]

約数ペア:

[(1, 19905972), (2, 9952986), (3, 6635324), (4, 4976493), (6, 3317662), (12, 1658831), (509, 39108), (1018, 19554), (1527, 13036), (2036, 9777), (3054, 6518), (3259, 6108)]