20481188

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{56267}}^1$

素因数の和:56291

約数の個数: 24

約数和(自身を含む): 44114112

約数和(自身を除く): 23632924

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 56267, 112534, 225068, 393869, 731471, 787738, 1462942, 1575476, 2925884, 5120297, 10240594, 20481188]

約数ペア:

[(1, 20481188), (2, 10240594), (4, 5120297), (7, 2925884), (13, 1575476), (14, 1462942), (26, 787738), (28, 731471), (52, 393869), (91, 225068), (182, 112534), (364, 56267)]