20216119

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{2549}}^1$

素因数の和:2670

約数の個数: 16

約数和(自身を含む): 25459200

約数和(自身を除く): 5243081

約数列:

[1, 7, 11, 77, 103, 721, 1133, 2549, 7931, 17843, 28039, 196273, 262547, 1837829, 2888017, 20216119]

約数ペア:

[(1, 20216119), (7, 2888017), (11, 1837829), (77, 262547), (103, 196273), (721, 28039), (1133, 17843), (2549, 7931)]