20494892

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{12589}}^1$

素因数の和:12641

約数の個数: 24

約数和(自身を含む): 40187280

約数和(自身を除く): 19692388

約数列:

[1, 2, 4, 11, 22, 37, 44, 74, 148, 407, 814, 1628, 12589, 25178, 50356, 138479, 276958, 465793, 553916, 931586, 1863172, 5123723, 10247446, 20494892]

約数ペア:

[(1, 20494892), (2, 10247446), (4, 5123723), (11, 1863172), (22, 931586), (37, 553916), (44, 465793), (74, 276958), (148, 138479), (407, 50356), (814, 25178), (1628, 12589)]