20863456

素因数分解:

$2^5\times {\mathrm{137}}^1\times {\mathrm{4759}}^1$

素因数の和:4906

約数の個数: 24

約数和(自身を含む): 41383440

約数和(自身を除く): 20519984

約数列:

[1, 2, 4, 8, 16, 32, 137, 274, 548, 1096, 2192, 4384, 4759, 9518, 19036, 38072, 76144, 152288, 651983, 1303966, 2607932, 5215864, 10431728, 20863456]

約数ペア:

[(1, 20863456), (2, 10431728), (4, 5215864), (8, 2607932), (16, 1303966), (32, 651983), (137, 152288), (274, 76144), (548, 38072), (1096, 19036), (2192, 9518), (4384, 4759)]