20986526

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{50207}}^1$

素因数の和:50239

約数の個数: 16

約数和(自身を含む): 36149760

約数和(自身を除く): 15163234

約数列:

[1, 2, 11, 19, 22, 38, 209, 418, 50207, 100414, 552277, 953933, 1104554, 1907866, 10493263, 20986526]

約数ペア:

[(1, 20986526), (2, 10493263), (11, 1907866), (19, 1104554), (22, 953933), (38, 552277), (209, 100414), (418, 50207)]