20161949255

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{2179}}^1\times {\mathrm{15551}}^1$

素因数の和:17759

約数の個数: 32

約数和(自身を含む): 29292503040

約数和(自身を除く): 9130553785

約数列:

[1, 5, 7, 17, 35, 85, 119, 595, 2179, 10895, 15253, 15551, 37043, 76265, 77755, 108857, 185215, 259301, 264367, 544285, 1296505, 1321835, 1850569, 9252845, 33885629, 169428145, 237199403, 576055693, 1185997015, 2880278465, 4032389851, 20161949255]

約数ペア:

[(1, 20161949255), (5, 4032389851), (7, 2880278465), (17, 1185997015), (35, 576055693), (85, 237199403), (119, 169428145), (595, 33885629), (2179, 9252845), (10895, 1850569), (15253, 1321835), (15551, 1296505), (37043, 544285), (76265, 264367), (77755, 259301), (108857, 185215)]