20510848

素因数分解:

$2^7\times {\mathrm{23}}^1\times {\mathrm{6967}}^1$

素因数の和:7004

約数の個数: 32

約数和(自身を含む): 42644160

約数和(自身を除く): 22133312

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 64, 92, 128, 184, 368, 736, 1472, 2944, 6967, 13934, 27868, 55736, 111472, 160241, 222944, 320482, 445888, 640964, 891776, 1281928, 2563856, 5127712, 10255424, 20510848]

約数ペア:

[(1, 20510848), (2, 10255424), (4, 5127712), (8, 2563856), (16, 1281928), (23, 891776), (32, 640964), (46, 445888), (64, 320482), (92, 222944), (128, 160241), (184, 111472), (368, 55736), (736, 27868), (1472, 13934), (2944, 6967)]