20354882

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{73}}^1\times {\mathrm{139}}^1$

素因数の和:290

約数の個数: 32

約数和(自身を含む): 33566400

約数和(自身を除く): 13211518

約数列:

[1, 2, 17, 34, 59, 73, 118, 139, 146, 278, 1003, 1241, 2006, 2363, 2482, 4307, 4726, 8201, 8614, 10147, 16402, 20294, 73219, 139417, 146438, 172499, 278834, 344998, 598673, 1197346, 10177441, 20354882]

約数ペア:

[(1, 20354882), (2, 10177441), (17, 1197346), (34, 598673), (59, 344998), (73, 278834), (118, 172499), (139, 146438), (146, 139417), (278, 73219), (1003, 20294), (1241, 16402), (2006, 10147), (2363, 8614), (2482, 8201), (4307, 4726)]