20177756638

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{199}}^1\times {\mathrm{105401}}^1$

素因数の和:105652

約数の個数: 32

約数和(自身を含む): 33644318400

約数和(自身を除く): 13466561762

約数列:

[1, 2, 13, 26, 37, 74, 199, 398, 481, 962, 2587, 5174, 7363, 14726, 95719, 105401, 191438, 210802, 1370213, 2740426, 3899837, 7799674, 20974799, 41949598, 50697881, 101395762, 272672387, 545344774, 776067563, 1552135126, 10088878319, 20177756638]

約数ペア:

[(1, 20177756638), (2, 10088878319), (13, 1552135126), (26, 776067563), (37, 545344774), (74, 272672387), (199, 101395762), (398, 50697881), (481, 41949598), (962, 20974799), (2587, 7799674), (5174, 3899837), (7363, 2740426), (14726, 1370213), (95719, 210802), (105401, 191438)]