20174316617

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{337}}^1\times {\mathrm{21221}}^1$

素因数の和:21609

約数の個数: 32

約数和(自身を含む): 25708161024

約数和(自身を除く): 5533844407

約数列:

[1, 7, 13, 31, 91, 217, 337, 403, 2359, 2821, 4381, 10447, 21221, 30667, 73129, 135811, 148547, 275873, 657851, 950677, 1931111, 4604957, 7151477, 8552063, 50060339, 59864441, 92969201, 221695787, 650784407, 1551870509, 2882045231, 20174316617]

約数ペア:

[(1, 20174316617), (7, 2882045231), (13, 1551870509), (31, 650784407), (91, 221695787), (217, 92969201), (337, 59864441), (403, 50060339), (2359, 8552063), (2821, 7151477), (4381, 4604957), (10447, 1931111), (21221, 950677), (30667, 657851), (73129, 275873), (135811, 148547)]