20421674

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{112207}}^1$

素因数の和:112229

約数の個数: 16

約数和(自身を含む): 37701888

約数和(自身を除く): 17280214

約数列:

[1, 2, 7, 13, 14, 26, 91, 182, 112207, 224414, 785449, 1458691, 1570898, 2917382, 10210837, 20421674]

約数ペア:

[(1, 20421674), (2, 10210837), (7, 2917382), (13, 1570898), (14, 1458691), (26, 785449), (91, 224414), (182, 112207)]