20525681

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{109}}^1$

素因数の和:209

約数の個数: 32

約数和(自身を含む): 25660800

約数和(自身を除く): 5135119

約数列:

[1, 11, 17, 19, 53, 109, 187, 209, 323, 583, 901, 1007, 1199, 1853, 2071, 3553, 5777, 9911, 11077, 17119, 20383, 22781, 35207, 63547, 98209, 109763, 188309, 387277, 1080299, 1207393, 1865971, 20525681]

約数ペア:

[(1, 20525681), (11, 1865971), (17, 1207393), (19, 1080299), (53, 387277), (109, 188309), (187, 109763), (209, 98209), (323, 63547), (583, 35207), (901, 22781), (1007, 20383), (1199, 17119), (1853, 11077), (2071, 9911), (3553, 5777)]