20624842

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{4561}}^1$

素因数の和:4606

約数の個数: 32

約数和(自身を含む): 39415680

約数和(自身を除く): 18790838

約数列:

[1, 2, 7, 14, 17, 19, 34, 38, 119, 133, 238, 266, 323, 646, 2261, 4522, 4561, 9122, 31927, 63854, 77537, 86659, 155074, 173318, 542759, 606613, 1085518, 1213226, 1473203, 2946406, 10312421, 20624842]

約数ペア:

[(1, 20624842), (2, 10312421), (7, 2946406), (14, 1473203), (17, 1213226), (19, 1085518), (34, 606613), (38, 542759), (119, 173318), (133, 155074), (238, 86659), (266, 77537), (323, 63854), (646, 31927), (2261, 9122), (4522, 4561)]