20807726842

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{1071569}}^1$

素因数の和:1071670

約数の個数: 32

約数和(自身を含む): 38062166400

約数和(自身を除く): 17254439558

約数列:

[1, 2, 7, 14, 19, 38, 73, 133, 146, 266, 511, 1022, 1387, 2774, 9709, 19418, 1071569, 2143138, 7500983, 15001966, 20359811, 40719622, 78224537, 142518677, 156449074, 285037354, 547571759, 1095143518, 1486266203, 2972532406, 10403863421, 20807726842]

約数ペア:

[(1, 20807726842), (2, 10403863421), (7, 2972532406), (14, 1486266203), (19, 1095143518), (38, 547571759), (73, 285037354), (133, 156449074), (146, 142518677), (266, 78224537), (511, 40719622), (1022, 20359811), (1387, 15001966), (2774, 7500983), (9709, 2143138), (19418, 1071569)]