20871937

素因数分解:

${\mathrm{17}}^1\times {\mathrm{19}}^3\times {\mathrm{179}}^1$

素因数の和:253

約数の個数: 16

約数和(自身を含む): 23457600

約数和(自身を除く): 2585663

約数列:

[1, 17, 19, 179, 323, 361, 3043, 3401, 6137, 6859, 57817, 64619, 116603, 1098523, 1227761, 20871937]

約数ペア:

[(1, 20871937), (17, 1227761), (19, 1098523), (179, 116603), (323, 64619), (361, 57817), (3043, 6859), (3401, 6137)]