20985622

素因数分解:

$2^1\times 7^2\times {\mathrm{197}}^1\times {\mathrm{1087}}^1$

素因数の和:1300

約数の個数: 24

約数和(自身を含む): 36837504

約数和(自身を除く): 15851882

約数列:

[1, 2, 7, 14, 49, 98, 197, 394, 1087, 1379, 2174, 2758, 7609, 9653, 15218, 19306, 53263, 106526, 214139, 428278, 1498973, 2997946, 10492811, 20985622]

約数ペア:

[(1, 20985622), (2, 10492811), (7, 2997946), (14, 1498973), (49, 428278), (98, 214139), (197, 106526), (394, 53263), (1087, 19306), (1379, 15218), (2174, 9653), (2758, 7609)]