20130253

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{239}}^1$

素因数の和:313

約数の個数: 32

約数和(自身を含む): 25804800

約数和(自身を除く): 5674547

約数列:

[1, 11, 13, 19, 31, 143, 209, 239, 247, 341, 403, 589, 2629, 2717, 3107, 4433, 4541, 6479, 7409, 7657, 34177, 49951, 59033, 81499, 84227, 96317, 140771, 649363, 1059487, 1548481, 1830023, 20130253]

約数ペア:

[(1, 20130253), (11, 1830023), (13, 1548481), (19, 1059487), (31, 649363), (143, 140771), (209, 96317), (239, 84227), (247, 81499), (341, 59033), (403, 49951), (589, 34177), (2629, 7657), (2717, 7409), (3107, 6479), (4433, 4541)]