20353657831

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{193}}^1\times {\mathrm{419}}^1\times {\mathrm{1019}}^1$

素因数の和:1663

約数の個数: 32

約数和(自身を含む): 23270688000

約数和(自身を除く): 2917030169

約数列:

[1, 13, 19, 193, 247, 419, 1019, 2509, 3667, 5447, 7961, 13247, 19361, 47671, 80867, 103493, 196667, 251693, 426961, 1051271, 1536473, 2556671, 3736673, 5550493, 8112259, 19974149, 48576749, 82403473, 105459367, 1071245149, 1565665987, 20353657831]

約数ペア:

[(1, 20353657831), (13, 1565665987), (19, 1071245149), (193, 105459367), (247, 82403473), (419, 48576749), (1019, 19974149), (2509, 8112259), (3667, 5550493), (5447, 3736673), (7961, 2556671), (13247, 1536473), (19361, 1051271), (47671, 426961), (80867, 251693), (103493, 196667)]