20136381

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1$

素因数の和:241

約数の個数: 32

約数和(自身を含む): 29611008

約数和(自身を除く): 9474627

約数列:

[1, 3, 17, 51, 67, 71, 83, 201, 213, 249, 1139, 1207, 1411, 3417, 3621, 4233, 4757, 5561, 5893, 14271, 16683, 17679, 80869, 94537, 100181, 242607, 283611, 300543, 394831, 1184493, 6712127, 20136381]

約数ペア:

[(1, 20136381), (3, 6712127), (17, 1184493), (51, 394831), (67, 300543), (71, 283611), (83, 242607), (201, 100181), (213, 94537), (249, 80869), (1139, 17679), (1207, 16683), (1411, 14271), (3417, 5893), (3621, 5561), (4233, 4757)]