20415239

素因数分解:

${\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{619}}^1$

素因数の和:734

約数の個数: 16

約数和(自身を含む): 22915200

約数和(自身を除く): 2499961

約数列:

[1, 13, 43, 59, 559, 619, 767, 2537, 8047, 26617, 32981, 36521, 346021, 474773, 1570403, 20415239]

約数ペア:

[(1, 20415239), (13, 1570403), (43, 474773), (59, 346021), (559, 36521), (619, 32981), (767, 26617), (2537, 8047)]