20157202

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{389}}^1\times {\mathrm{1993}}^1$

素因数の和:2397

約数の個数: 16

約数和(自身を含む): 32661720

約数和(自身を除く): 12504518

約数列:

[1, 2, 13, 26, 389, 778, 1993, 3986, 5057, 10114, 25909, 51818, 775277, 1550554, 10078601, 20157202]

約数ペア:

[(1, 20157202), (2, 10078601), (13, 1550554), (26, 775277), (389, 51818), (778, 25909), (1993, 10114), (3986, 5057)]