20901610

素因数分解:

$2^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{113}}^1\times {\mathrm{349}}^1$

素因数の和:522

約数の個数: 32

約数和(自身を含む): 38782800

約数和(自身を除く): 17881190

約数列:

[1, 2, 5, 10, 53, 106, 113, 226, 265, 349, 530, 565, 698, 1130, 1745, 3490, 5989, 11978, 18497, 29945, 36994, 39437, 59890, 78874, 92485, 184970, 197185, 394370, 2090161, 4180322, 10450805, 20901610]

約数ペア:

[(1, 20901610), (2, 10450805), (5, 4180322), (10, 2090161), (53, 394370), (106, 197185), (113, 184970), (226, 92485), (265, 78874), (349, 59890), (530, 39437), (565, 36994), (698, 29945), (1130, 18497), (1745, 11978), (3490, 5989)]