20395193

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{2837}}^1$

素因数の和:2936

約数の個数: 16

約数和(自身を含む): 25428480

約数和(自身を除く): 5033287

約数列:

[1, 7, 13, 79, 91, 553, 1027, 2837, 7189, 19859, 36881, 224123, 258167, 1568861, 2913599, 20395193]

約数ペア:

[(1, 20395193), (7, 2913599), (13, 1568861), (79, 258167), (91, 224123), (553, 36881), (1027, 19859), (2837, 7189)]