20968514

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{4637}}^1$

素因数の和:4682

約数の個数: 32

約数和(自身を含む): 40072320

約数和(自身を除く): 19103806

約数列:

[1, 2, 7, 14, 17, 19, 34, 38, 119, 133, 238, 266, 323, 646, 2261, 4522, 4637, 9274, 32459, 64918, 78829, 88103, 157658, 176206, 551803, 616721, 1103606, 1233442, 1497751, 2995502, 10484257, 20968514]

約数ペア:

[(1, 20968514), (2, 10484257), (7, 2995502), (14, 1497751), (17, 1233442), (19, 1103606), (34, 616721), (38, 551803), (119, 176206), (133, 157658), (238, 88103), (266, 78829), (323, 64918), (646, 32459), (2261, 9274), (4522, 4637)]