20679387

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{229}}^1\times {\mathrm{971}}^1$

素因数の和:1234

約数の個数: 16

約数和(自身を含む): 28615680

約数和(自身を除く): 7936293

約数列:

[1, 3, 31, 93, 229, 687, 971, 2913, 7099, 21297, 30101, 90303, 222359, 667077, 6893129, 20679387]

約数ペア:

[(1, 20679387), (3, 6893129), (31, 667077), (93, 222359), (229, 90303), (687, 30101), (971, 21297), (2913, 7099)]