20339157

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{137}}^1$

素因数の和:269

約数の個数: 32

約数和(自身を含む): 30046464

約数和(自身を除く): 9707307

約数列:

[1, 3, 17, 41, 51, 71, 123, 137, 213, 411, 697, 1207, 2091, 2329, 2911, 3621, 5617, 6987, 8733, 9727, 16851, 29181, 49487, 95489, 148461, 165359, 286467, 398807, 496077, 1196421, 6779719, 20339157]

約数ペア:

[(1, 20339157), (3, 6779719), (17, 1196421), (41, 496077), (51, 398807), (71, 286467), (123, 165359), (137, 148461), (213, 95489), (411, 49487), (697, 29181), (1207, 16851), (2091, 9727), (2329, 8733), (2911, 6987), (3621, 5617)]