20696632

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{479}}^1\times {\mathrm{491}}^1$

素因数の和:987

約数の個数: 32

約数和(自身を含む): 42508800

約数和(自身を除く): 21812168

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 479, 491, 958, 982, 1916, 1964, 3832, 3928, 5269, 5401, 10538, 10802, 21076, 21604, 42152, 43208, 235189, 470378, 940756, 1881512, 2587079, 5174158, 10348316, 20696632]

約数ペア:

[(1, 20696632), (2, 10348316), (4, 5174158), (8, 2587079), (11, 1881512), (22, 940756), (44, 470378), (88, 235189), (479, 43208), (491, 42152), (958, 21604), (982, 21076), (1916, 10802), (1964, 10538), (3832, 5401), (3928, 5269)]