20137051207

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2237}}^1\times {\mathrm{3191}}^1$

素因数の和:5479

約数の個数: 32

約数和(自身を含む): 25603006464

約数和(自身を除く): 5465955257

約数列:

[1, 7, 13, 31, 91, 217, 403, 2237, 2821, 3191, 15659, 22337, 29081, 41483, 69347, 98921, 203567, 290381, 485429, 692447, 901511, 1285973, 6310577, 7138267, 9001811, 49967869, 92797471, 221286277, 649582297, 1549003939, 2876721601, 20137051207]

約数ペア:

[(1, 20137051207), (7, 2876721601), (13, 1549003939), (31, 649582297), (91, 221286277), (217, 92797471), (403, 49967869), (2237, 9001811), (2821, 7138267), (3191, 6310577), (15659, 1285973), (22337, 901511), (29081, 692447), (41483, 485429), (69347, 290381), (98921, 203567)]