20178807781

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{776317}}^1$

素因数の和:776484

約数の個数: 16

約数和(自身を含む): 23475856320

約数和(自身を除く): 3297048539

約数列:

[1, 11, 17, 139, 187, 1529, 2363, 25993, 776317, 8539487, 13197389, 107908063, 145171279, 1186988693, 1834437071, 20178807781]

約数ペア:

[(1, 20178807781), (11, 1834437071), (17, 1186988693), (139, 145171279), (187, 107908063), (1529, 13197389), (2363, 8539487), (25993, 776317)]