20411307

素因数分解:

$3^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{6113}}^1$

素因数の和:6179

約数の個数: 24

約数和(自身を含む): 34336224

約数和(自身を除く): 13924917

約数列:

[1, 3, 7, 9, 21, 53, 63, 159, 371, 477, 1113, 3339, 6113, 18339, 42791, 55017, 128373, 323989, 385119, 971967, 2267923, 2915901, 6803769, 20411307]

約数ペア:

[(1, 20411307), (3, 6803769), (7, 2915901), (9, 2267923), (21, 971967), (53, 385119), (63, 323989), (159, 128373), (371, 55017), (477, 42791), (1113, 18339), (3339, 6113)]