20523148

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{2203}}^1$

素因数の和:2361

約数の個数: 24

約数和(自身を含む): 38323152

約数和(自身を除く): 17800004

約数列:

[1, 2, 4, 17, 34, 68, 137, 274, 548, 2203, 2329, 4406, 4658, 8812, 9316, 37451, 74902, 149804, 301811, 603622, 1207244, 5130787, 10261574, 20523148]

約数ペア:

[(1, 20523148), (2, 10261574), (4, 5130787), (17, 1207244), (34, 603622), (68, 301811), (137, 149804), (274, 74902), (548, 37451), (2203, 9316), (2329, 8812), (4406, 4658)]